1、Unit 4,Words and Expressions,1.right away 立刻；马上,例句：警察马上就要来了。The police will be here right away.at once 立刻；马上right now 现在；立刻immediately adv. 立刻；马上,2. burst vi. (burst-burst-burst) 爆裂；爆发,burst in/into a door/ room /building 突然进入门/房间/大楼, 他没有敲门就突然进入房间.,He burst into the room without knocking at the door
2、.,burst into sth. = burst out doing 突然起来,The plane crashed and burst into flames., 飞机坠毁起火了.,All of them burst out laughing/crying /singing., 他们全都突然笑起来/哭起来/唱起来.,=All of them burst into laughter/tears/songs.,burst out +v-ing :suddenly begin doing sth,扩展: burst into leaf burs into flower,长出叶子,开花,n. a b
3、urst of .一阵. a burst of laughter /thunder /applause(欢呼）, It seemed as if the world was at an end.世界似乎到了末日。,3. as if = as though 好像, She spoke to me as if she knew me.她和我说话的神情，好像她早就认识我 似的。,1)虚拟语气（说话者主观想象或夸大的比喻）与现在事实相反，从句用一般过去式与过去事实相反，从句要用完成式,When a pencil is partly in a glass of water, it looks as if
4、 it were broken, 当铅笔一部分放进水里，看起来好像折断了似的。,as if 后的从句可用两种语气,2)陈述语气,时态一致,It looks as if its going to rain, 看样子天要下雨了。(陈述语气),（是事实或可能性很大）, 他吓得直打哆嗦，就好像看见了鬼一样。He was shaking with fright as if he had seen a ghost.,4. at an end= finished 结束，终结（作表语） We were very happy when the work was at an end. Compare: at th
5、e end of by the end of in the endat the end of “在尽头；在末” by the end of “到/截止末”；主句一般用完成时in the end 意思“最后、终于”= at last/ finally, Wash your hands _ the experiment., How many English words had you learned _ last term?, He tried various jobs and _ became a teacher.,at the end of,by the end of,in the end,b
6、ring/put an end to 使终止,come to an end 结束,end up with 以.而告终,其他词组：, The job came to an end last month. 她的忽然来到使他们的会议终止了。Her sudden arrival put an end to their meeting. 在宴会上，开始的一道菜通常是汤，最后的一道是水果。At the dinner we usually begin with soup and end up with fruit.,ruin n. 废墟；毁灭例句：我们看到了那座教堂的废墟。We saw the ruins
7、of the church.Vt. 毁灭；使破坏暴风雨毁坏了庄稼。The storm ruined the crops.,in ruins 荒芜的,成为废墟一般用作表语或状语,lie/be in ruins 成为废墟,An earthquake left the whole town in ruins. His career is in ruins .,6. injure vt. 损害；伤害, 他打篮球时膝盖受伤了。He injured his knee when ( he was) playing basketball. 撞车事故中有三人死亡，五人受伤。Three people were k
8、illed and five injured in the crash.injury n. 损害；伤害injured adj. 受伤的,7. destroy vt. 破坏；毁坏；消灭, 这场火灾毁坏了整个森林。The fire destroyed the whole forest. 他所有的希望都破灭了。All his hopes were destroyed.The storm _ buildings and crops. （毁灭）,destroyed,8 .shock n. 休克；震惊；打击 例句：他的突然去世对他的家庭来说是个沉重的打击。 His sudden death was a g
9、reat shock to his family. vt. 使震惊 使震动 be shocked at 对感到震惊,People _ (shock). 我们对这个消息感到震惊。,were shocked,We _ the news.,were shocked at,The news is _(shock),shocking,表示情感的动词 excite, surprise, interest, bore, move, shock, disappoint, satisfy, (惊讶，兴趣，乏味，感动， 失望 ，满意） 变为形容词时可加ing(指物）或加ed (指人）,9. rescue,n. 搭
10、救；解救;营救,The rescue team reached the minesat once after the accident happened.,v. 解救；救出；营救,He rescued the man from drowning.,rescue workers = rescuers n. come / go to ones rescue来援救某人,We _ （来救他）and pulled him out of the lake.,came to his rescue,10. trap,Vt. 使陷入困境；使陷入圈套be trapped in 被困于 例句：他们被困于着火的楼里。
11、They are trapped in the burning building.trap sb. into （doing） sth. 诱使某人做某事 例句：警察设圈套使他招供。The police trapped him into a confession . n. 圈套 设圈套，设陷阱 set a trapThe hunter set a trap to catch foxes.,11.dig out 掘出；发现, 他们挖出了一个旧花瓶。They dug out an old vase. 我设法探出真相。I tried to dig out the truth. dig into 挖掘 d
12、ig up 找出；查明,8. bury,vt. 埋葬; 葬The boy buried the dead bird in the backyard. 男孩们把死鸟埋在后院。vt. 使沉浸（或专心于）be buried in= bury oneself in埋头于; 专心于be buried in thought 沉思bury oneself in study 埋头研究；专心学习,22.表示许多的短语及用法 只接可数名词的有：a large/great number ofa good/great many只接不可数名词的有：a great deal ofa large amount of既可接可数名词又可接不可数名词的有： a lot of，lots of，plenty of ，a large/great quantity of,
