201.compete against/with sb for sth   与某人为了某物而竞争

202.be competent at/in/to do 能够做

203.complain about/of  抱怨;控告

204.complain to sb about sth 向某人抱怨…;

205.comply with  遵守, 依从
206.compromise with sb on sth   在…和某人妥协
207.conceal sth from sb   对某人隐瞒…
208.concede to sb   对某人让步
209.conceive of  近义词:think of   想象,设想

210.concentrate … on sth    (注意力)集中在…
211.concur with sb …  同意某人的…
212.show/express concern about/for 对…表示担心

213.have concern with  与…有关

214.with concern 关切着

215.as far as … be concerned   就…而言

216.condemn sb to   判某人…刑罚
217.at the conclusion of  当…结束时

218.in condition 最后一点

219.in good (bad) condition  处于良好(坏)状态
220.on condition 在…条件下，倘若

221.on condition that =only if  如果

扩展:in that = because 因为;

now that = since 既然

for all that = although 尽管

222.out of condition  (身体)状态不好

223.under condition   处于…状态下

224.under on condition 决不

225.condemn sb to  判决

226.conduct to   道路通向…
227.confer sth on/upon sb 授予某人称号、学位等
228.confer with sb on/about sth 与某人协商…
229.confess to (a crime)  承认(罪行)
230.confide sth to sb  向某人吐露…