201．(be) distinct from ( = be different from) 与……截然不同
202．distinguish between (=make or recognize differences) 辨别
203．distinguish...from 把……与……区别开
204．do away with (=get rid of; abolish; discard eliminate ) 除去，废除，取消； do away with (=kill) 杀掉，镇压
205．have...to do with 与……有关系
206．without doubt (=undoubtedly) 无可置疑地
207．in doubt (=in a condition of uncertainty ) 对……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
责任编辑：wangpeng6151
