201.have……to do with 与……有关系
202.without doubt (=undoubtedly) 无可置疑地
203.in doubt (=in a condition of uncertainty ) 对……表示疑惑
204.(be) distinct from ( = be different from) 与……截然不同
205.distinguish between (=make or recognize differences) 辨别
206.distinguish……from 把……与……区别开
207.do away with (=get rid of; abolish; discard eliminate ) 除去,废除,取消; do away with (=kill) 杀掉,镇压
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
227.to no effect不起作用,没有取得任何效果
228.(be) of no effect (=useless) 无效
229.to the effect that大意是……,主要内容是……
230.to that effect是那个意思的……
231.emerge from (=appear, become known) 出现,暴露(问题,意见等)
232.place (or put, lay) an emphasis on 强调,把重点放在……上
233.encourage sb. in 鼓励;encourage sb. in his/her work 鼓励某人工作;encourage sb. in his/her idleness 怂恿某人游手好闲
234.encourage sb. in ……with sth. 用……鼓励某人做某事
235.on end (=continuously) 连续地
236.(be) at an end (=finished) 结束了
237.no end of (=very many/much) 很多,大量
238.in the end (=finally, eventually) 最终
239.at one‘s wit’s end (=not knowing what to do or to say) 无法可想,智穷计尽
240.end up with 以……而结束
241.come to and end (=finish) 结束
242.end in 以……为结束
243.engage in 或be engaged in 忙于,从事
244.enter for (=put the name on a list for) 报名参加
245.enter into (=begin) 开始(谈话,谈判等)
246.enter on / upon (=begin) 开始(一个时代,一种生涯,一段任期等)
247.be entitled to (=be given the right to do sth.) 有权……,有资格……
248.be equal to 等于
249.be/ feel equal to (=have enough strength, ability etc.) (某人)能胜任,能应付
on equal terms (=on and equal footing) 平等地
250.be equipped with 装备有,装有