211. be on duty值班，值日，在上班時(shí)
212. be in duty bound to(do)(=be required by one's job or esp. by conscience)有義務(wù)(做)
213. be eager for想得到，盼望
214. by ear(=play music from memory without having seen it printed)憑記憶，不看樂(lè)譜
215. have an ear for(=have keen recognition of sounds esp. in music and language)對(duì)……有鑒賞力
216. a word in one's ear私房話(huà)，秘密話(huà)
217. on earth究竟，到底，全然
218. with ease(= easily)容易，不費(fèi)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)使某人感到無(wú)拘束
221. economize on(=save sth. instead of being wasteful)節(jié)省
222. have an effect on對(duì)…有影響
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)實(shí)際上
226. give effect to(=carry out)實(shí)行，使…生效
227. to no effect不起作用，沒(méi)有取得任何效果
228.(be)of no effect(=useless)無(wú)效
229. to the effect that大意是…，主要內(nèi)容是…
230. to that effect是那個(gè)意思的…
231. emerge from(=appear，become known)出現(xiàn)，暴露(問(wèn)題意見(jiàn)等)
232. place(or put，lay)an emphasis on強(qiáng)調(diào)，把重點(diǎn)放在…上
233. encourage sb. in鼓勵(lì);encourage sb. in his/her work鼓勵(lì)某人工作;encourage sb. in his/her idleness慫恿某人游手好閑
234. encourage sb. in…with sth.用…鼓勵(lì)某人做某事
235. on end(=continuously)連續(xù)地
236.(be)at an end(=finished)結(jié)束了
237. no end of(=very many/much)很多，大量
238. in the end(=finally，eventually)最終
239. at one's wit's end(=not knowing what to do or to say)無(wú)法可想，智窮計(jì)盡
240. end up with以…而結(jié)束
212. be in duty bound to(do)(=be required by one's job or esp. by conscience)有義務(wù)(做)
213. be eager for想得到，盼望
214. by ear(=play music from memory without having seen it printed)憑記憶，不看樂(lè)譜
215. have an ear for(=have keen recognition of sounds esp. in music and language)對(duì)……有鑒賞力
216. a word in one's ear私房話(huà)，秘密話(huà)
217. on earth究竟，到底，全然
218. with ease(= easily)容易，不費(fèi)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)使某人感到無(wú)拘束
221. economize on(=save sth. instead of being wasteful)節(jié)省
222. have an effect on對(duì)…有影響
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)實(shí)際上
226. give effect to(=carry out)實(shí)行，使…生效
227. to no effect不起作用，沒(méi)有取得任何效果
228.(be)of no effect(=useless)無(wú)效
229. to the effect that大意是…，主要內(nèi)容是…
230. to that effect是那個(gè)意思的…
231. emerge from(=appear，become known)出現(xiàn)，暴露(問(wèn)題意見(jiàn)等)
232. place(or put，lay)an emphasis on強(qiáng)調(diào)，把重點(diǎn)放在…上
233. encourage sb. in鼓勵(lì);encourage sb. in his/her work鼓勵(lì)某人工作;encourage sb. in his/her idleness慫恿某人游手好閑
234. encourage sb. in…with sth.用…鼓勵(lì)某人做某事
235. on end(=continuously)連續(xù)地
236.(be)at an end(=finished)結(jié)束了
237. no end of(=very many/much)很多，大量
238. in the end(=finally，eventually)最終
239. at one's wit's end(=not knowing what to do or to say)無(wú)法可想，智窮計(jì)盡
240. end up with以…而結(jié)束