201.(be)distinct from(= be different from)与……截然不同
202.distinguish between(=make or recognize differences)辨别
203.distinguish……from 把……与……区别开
204.do away with(=get rid of;abolish;discard eliminate)除去,废除,取消;do away with(=kill)杀掉,镇压
205.have……to do with 与……有关系
206.without doubt(=undoubtedly)无可置疑地
207.in doubt(=in a condition of uncertainty)对……表示疑惑
208.be due to 是由于
209.come off duty 下班
210.go on duty 上班
211.be on duty 值班,值日,在上班时
212.be in duty bound to(do)(=be required by one’s job or esp.by conscience)有义务(做)
213.be eager for 想得到,盼望
214.by ear(=play music from memory without having seen it printed)凭记忆,不看乐谱
215.have an ear for(=have keen recognition of sounds esp.in music and language.)对……有鉴赏力
216.a word in one’s ear 私房话,秘密话
217.on earth究竟,到底,全然
218.with ease(=easily)容易,不费力
219.at(one’s)ease(= without worry or nervousness)自在,不拘束
220.put sb.at his/her ease(=free sb.from worry or nervousness)使某人感到无拘束
221.economize on(=save sth.instead of being wasteful)节省
222.have an effect on 对……有影响
223.be in effect(=be in operation)有效
224.go into effect 生效。(近:come into effect;take effect;be brought into effect)
225.in effect(=in fact, really)实际上
226.give effect to(=carry out)实行,使……生效