205．have...to do with 與……有關(guān)系
206．without doubt (=undoubtedly) 無可置疑地
207．in doubt (=in a condition of uncertainty ) 對(duì)……表示疑惑
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，不看樂譜
215．have an ear for (=have keen recognition of sounds esp. in music and language.) 對(duì)……有鑒賞力
216．a(chǎn) word in one’s ear 私房話，秘密話
217．on earth究竟，到底，全然
218．with ease (=easily) 容易，不費(fèi)力
219．a(chǎn)t (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，沒有取得任何效果
228．(be) of no effect (=useless) 無效
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（問題，意見等）
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．a(chǎn)t one’s wit’s end (=not knowing what to do or to say) 無法可想，智窮計(jì)盡
240．end up with 以……而結(jié)束
241．come to and end (＝finish) 結(jié)束
242．end in 以……為結(jié)束
243．engage in 或be engaged in 忙于，從事
244．enter for (＝put the name on a list for) 報(bào)名參加
245．enter into (＝begin) 開始（談話，談判等）
206．without doubt (=undoubtedly) 無可置疑地
207．in doubt (=in a condition of uncertainty ) 對(duì)……表示疑惑
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，不看樂譜
215．have an ear for (=have keen recognition of sounds esp. in music and language.) 對(duì)……有鑒賞力
216．a(chǎn) word in one’s ear 私房話，秘密話
217．on earth究竟，到底，全然
218．with ease (=easily) 容易，不費(fèi)力
219．a(chǎn)t (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，沒有取得任何效果
228．(be) of no effect (=useless) 無效
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（問題，意見等）
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．a(chǎn)t one’s wit’s end (=not knowing what to do or to say) 無法可想，智窮計(jì)盡
240．end up with 以……而結(jié)束
241．come to and end (＝finish) 結(jié)束
242．end in 以……為結(jié)束
243．engage in 或be engaged in 忙于，從事
244．enter for (＝put the name on a list for) 報(bào)名參加
245．enter into (＝begin) 開始（談話，談判等）