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 languag e)对.有鉴赏力 216. a word in ones 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(ones)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 221 economize on(=save sth. instead of being wasteful)fin 222. have an effect on对.有影响 223. be in effect(= be in operation)有效 224. go into effect EX.( ir come into effect; take effect; be brought into effec 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 fron(= appear, become known)出现,暴露(问题.意见等) 232. place(or put,ay) 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 wits 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)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 languag e)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 effec t) 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 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)