2017考博英语词汇精华：400个高频词组（11）
考博英语词汇高频词组的熟练掌握可以使考博生们在做考博英语阅读及写作中收益良多，希望考生们加强记忆。
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…