health 是名词，意为“健康” healthy 是由名词 health 加后缀-y 派生出来的同义形容词 healthy 意为“健康的”“强壮的” ，其同义词为 fit, 相当于 well 或 strong.其反义词是unhealthy 或者 weak. 例如： His health is not good. 他的身体不好 Heres to your health! 祝你健康! How are you recently? 你近来怎样? Oh, Im very healthy. 哦，我很好 As he just left hospital, he is still not so healthy.(=As he just left hospital, he is still quite unhealthy.=As he just left hospital, he is still quite weak.) 因为刚刚出院，他的身体仍然相当虚弱
