1、Jack Frost If everything has frozen in winter, then Jack Frost has visited. Jack the Lad A confident and not very serious young man who behaves as he wants to without thinking about other people is a Jack the Lad. Jack-of-all-trades A jack-of-all-trades is someone that can do many different jobs. Ja
2、m on your face If you say that someone has jam on their face, they appear to be caught, embarrassed or found guilty. Jam tomorrow (UK) This idiom is used when people promise good things for the future that will never come. Jane Doe Jane Doe is a name given to an unidentified female who may be party
3、to legal proceedings, or to an unidentified person in hospital, or dead. John Doe is the male equivalent. Jekyll and Hyde Someone who has a Jekyll and Hyde personality has a pleasant and a very unpleasant side to the character. Jersey justice (UK) Jersey justice is very severe justice. Jet set Very
4、wealthy people who travel around the world to attend parties or functions are the jet set. Jet-black To emphasise just how black something is, such as someones hair, we can call it jet-black. Jobs comforter Someone who says they want to comfort, but actually discomforts people is a Jobs comforter. (
5、Jobs is pronounced jobes, not jobs) Jobs for the boys Where people give jobs, contracts, etc, to their friends and associates, these are jobs for the boys. Jockey for position If a number of people want the same opportunity and are struggling to emerge as the most likely candidate, they are jockeyin
6、g for position. Jog my memory If you jog someones memory, you say words that will help someone trying to remember a thought, event, word, phrase, experience, etc. John Doe John Doe is a name given to an unidentified male who may be party to legal proceedings, or to an unidentified person in hospital
7、, or dead. Jane Doe is the female equivalent. John Hancock (USA) John Hancock means a signature- his signature on the engrossed copy of the Declaration of Independence is very prominent. John Q Public (USA) John Q Public is the typical, average person. Johnny on the spot A person who is always avail
8、able; ready, willing, and able to do what needs to be done.(Johnny-on-the-spot is also used.) Johnny-come-lately A Johnny-come-lately is someone who has recently joined something or arrived somewhere, especially when they want to make changes that are not welcome. Join the club Said when someone has
9、 expressed a desire or opinion, meaning “That viewpoint is not unique to you“. It can suggest that the speaker should stop complaining since many others are in the same position. Example: “If this train doesnt come, Ill be late for work!“ “Join the club!“ Joined at the hip If people are joined at th
10、e hip, they are very closely connected and think the same way. Judge, jury and executioner If someone is said to be the judge, jury, and executioner, it means they are in charge of every decision made, and they have the power to be rid of whomever they choose. Juggle frogs If you are juggling frogs,
11、 you are trying to do something very difficult. Jump down someones throat If you jump down someones throat, you criticise or chastise them severely. Jump on the bandwagon If people jump on the bandwagon, they get involved in something that has recently become very popular. Jump the gun If you jump t
12、he gun, you start doing something before the appropriate time. Jump the shark Said of a salient point in a television show or other activity at which the popularity thereof begins to wane: The Flintstones jumped the shark when a man from outer space came to visit them. The expression derives from an
13、 episode of the television sitcom Happy Days in which Fonzie, clad in leather jacket and on water skis, jumps over a shark. That episode was widely seen as the beginning of the end for the formerly popular series. Jump the track Jumping the track is suddenly changing from one plan, activity, idea, e
14、tc, to another. Jump through hoops If you are prepared to jump through hoops for someone, you are prepared to make great efforts and sacrifices for them. Jump to a conclusion If someone jumps to a conclusion, they evaluate or judge something without a sufficient examination of the facts. Jumping Jud
15、as! An expression of surprise or shock. Jungle out there If someone says that it is a jungle out there, they mean that the situation is dangerous and there are no rules. Jurys out If the jurys out on an issue, then there is no general agreement or consensus on it. Just around the corner If something
16、 is just around the corner, then it is expected to happen very soon. Just as the twig is bent, the trees inclined Things, especially education, that affect and influence us in our childhood shape the kind of adult we turn out to be. (There are various versions of this, like As the twig is bent, the
17、trees inclined and As the twig is bent, so the tree inclines, As the twig is bent so is the tree inclined) Just coming up to If the time is just coming up to nine oclock, it means that it will be nine oclock in a very few seconds. Youll hear them say it on the radio in the morning. Just deserts If a
18、 bad or evil person gets their just deserts, they get the punishment or suffer the misfortune that it is felt they deserve. Just for the heck of it When someone does something just for the heck of it, they do it without a good reason. Just for the record If something is said to be just for the recor
19、d, the person is saying it so that people know but does not necessarily agree with or support it. Just in the nick of time If you do something in the nick of time, you just manage to do it just in time, with seconds to spare. Just off the boat If someone is just off the boat, they are naive and inex
20、perienced. Just what the doctor ordered If somethings just what the doctor ordered, it is precisely what is needed. Justice is blind Justice is blind means that justice is impartial and objective.Kangaroo court When people take the law into their own hands and form courts that are not legal, these a
21、re known as kangaroo court. Keen as mustard (UK) If someone is very enthusiastic, they are as keen as mustard. Keep abreast If you keep abreast of things, you stay informed about developments. Keep at bay If you keep someone or something at bay, you maintain a safe distance from them. Keep body and
22、soul together If you earn enough to cover your basic expenses, but nothing more than that, you earn enough to keep body and soul together. Keep in touch If you keep in touch with someone, you keep communicating with them even though you may live far apart. Keep it on the Q T If you keep something on
23、 the Q T, you keep it quiet or secret.(Q-T is also used.) Keep it under your hat If you keep something under your hat, you keep it secret. Keep mum If you keep mum about something, you keep quiet and dont tell anyone. Keep posted If you keep posted about something, you keep up-to-date with informati
24、on and developments. Keep someone at arms length If you keep someone or something at arms length, you keep a safe distance away from them. Keep someone on their toes If you keep someone on their toes, you make sure that they concentrate on what they are supposed to do. Keep tabs on someone If you ke
25、ep tabs on someone, you check, watch and keep a close eye on what they are doing. Keep the wolf at bay If you keep the wolf at bay, you make enough money to avoid going hungry or falling heavily into debt. Keep the wolf from the door If you keep the wolf from the door, you have enough money for food
26、 and the basic essentials. Keep up with the Joneses People who try to keep up with the Joneses are competitive about material possessions and always try to have the latest and best things. Keep your chin up (UK) This expression is used to tell someone to have confidence. Keep your cool If you keep y
27、our cool, you dont get excessively excited or disturbed in a bad situation. Keep your ear to the ground If you keep your ear to the ground, you try to keep informed about something, especially if there are rumours or uncertainties. Keep your eye on the ball If you keep your eye on the ball, you stay
28、 alert and pay close attention to what is happening. Keep your eye on the prize This means that you should keep your focus on achieving a positive end result. Keep your eyes peeled If you keep your eyes peeled, you stay alert or watchful. Keep your fingers crossed If you are keeping your fingers cro
29、ssed, you are hoping for a positive outcome. Keep your hair on Keep your hair on is advice telling someone to keep calm and not to over-react or get angry. Keep your head If you keep your head, you stay calm in times of difficulty. Keep your head above water If you are just managing to survive finan
30、cially, you are keeping your head above water. Keep your nose clean If someone is trying to keep their Nose Clean, they are trying to stay out of trouble by not getting involved in any sort of wrong-doing. Keep your nose to the grindstone If you keep your nose to the grindstone, you work hard and se
31、riously. Keep your options open If someones keeping their options open, they arent going to restrict themselves or rule out any possible course of action. Keep your pants on If someone tells you to keep your pants on, they mean that you should be patient and not make them rush. Keep your pecker up I
32、f someone tells you to keep your pecker up, they are telling you not to let your problems get on top of you and to try to be optimistic. Keep your powder dry If you keep your powder dry, you act cautiously so as not to damage your chances. Keep your shirt on! This idiom is used to tell someone to ca
33、lm down. Keep your wig on! (UK) This idiom is used to tell someone to calm down. Kettle of fish A pretty or fine kettle of fish is a difficult problem or situation. Kick a habit If you kick a habit, you stop doing it. Kick away the ladder If someone kicks away the ladder, they remove something that
34、was supporting or helping someone. Kick in the teeth Bad news or a sudden disappointment are a kick in the teeth. Kick over the traces Kicking over the traces is wild rebellious behaviour or being out of control. It comes from when a horse in harness got a rear leg over the traces, which attach it t
35、o the vehicle, it started pulling and became uncontrollable. Kick something into the long grass If an issue or problem is kicked into the long grass, it is pushed aside and hidden in the hope that it will be forgotten or ignored. Kick the ballistics It means you realise the intensity of a situation.
36、 For example, there is too much unemployment now, so the prime minister must kick the ballistics and change his policy. Kick the bucket When someone kicks the bucket, they die. Kick the can down the road If you kick the can down the road, you delay a decision in hopes that the problem or issue will
37、go away or somebody else will make the decision later. Kick up your heels (USA) If you kick up your heels, you go to parties or celebrate something. Kick your heels (UK) If you have to kick your heels, you are forced to wait for the result or outcome of something. Kicked to touch Touch is a zone of
38、the playing field in Rugby. Kicked to touch means the ball was put safely out of play. Idiomatic usage usually means a person has deftly avoided an issue in argument. Kid gloves If someone is handled with kid gloves, they are given special treatment and handled with great care. Kill the fatted calf
39、If you kill the fatted calf, you have a celebration, usually to welcome someone whos been away a long time. Kill the goose that lays the golden egg If you kill the goose that lays the golden egg, you ruin something that is very profitable. Kill two birds with one stone When you kill two birds with o
40、ne stone, you resolve two difficulties or matters with a single action.Kindred spirit A kindred spirit is someone who feels and thinks the way you do. King of the castle The king of the castle is the person who is in charge of something or in a very comfortable position compared to their companions.
41、 Kings ransom If something costs or is worth a kings ransom, it costs or is worth a lot of money. Kiss and tell If people kiss and tell, they disclose private or confidential information. Kiss of death The kiss of death is an action that means failure or ruin for someone, a scheme, a plan, etc. Kiss
42、 something goodbye If someone tells you that you can kiss something goodbye, you have no chance of getting or having it. Kissing cousin A kissing cousin is someone you are related to, but not closely. Kitchen-sink (UK) Kitchen-sink drama deals with ordinary peoples lives. Kith and kin Your kith and
43、kin are your family; your next of kin are close relations you nominate to deal with your affairs in the event of your death on a document, like a passport. Knee slapper A knee slapper is something that is considered funny, though it is often used sarcastically. Knee-jerk reaction A knee-jerk reactio
44、n is an instant, instinctive response to a situation. Knickers in a twist When your knickers are in a twist, you are angry and snappish over something trivial. Whenever he loses his car keys, he gets his knickers in a twist. Knight in shining armour A knight in shining armour is someone who saves yo
45、u when you are in great trouble or danger. Knit your brows If you knit your brows, you frown or look worried. Knock em dead Knock em dead is used as a way of wishing someone luck before they give a performance or have to appear before people, as in an interview, etc. (em = them) Knock on wood This i
46、diom is used to wish for good luck. (Touch wood is also used.) Knock something on the head If you knock something on the head, you stop it or stop doing it. Knock the pins from under someone If someone knocks the pins from under you, they let you down. Knock your block off To punch someone in the fa
47、ce Eg : The next time you do something like that Im going to “knock your block off“. Knock your socks off If something knocks your socks off, it amazes and surprises you, usually in a positive way. Know a hawk from a handsaw If someone knows a hawk from a handsaw, they are able to distinguish things
48、 and assess them. Know full well When you know full well, you are absolutely sure that you know. Know the ropes Someone who is experienced and knows how the system works know the ropes. Know where all the bodies are buried Someone who by virtue of holding a position of trust with an organization for
49、 a long period of time has come to know many of the secrets that others in more powerful positions would rather be kept secret knows where the bodies are buried. An implication is that the person knowing these secrets will use that knowledge to secure something of value for him- or herself. Know which side ones bread is buttered on If you know which side ones bread is buttered on, you know where your interests lie and will act accordingly to protect or further them. Know which way the wind blows This means that you should know how things
