2013年6月英语四级高频词汇总结(8)
　　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 hisher work 鼓励某人工作; encourage sb. in hisher 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 manymuch) 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