词组 | certain |
释义 | 1. 表示“有把握的、确信的”时,介词用 about 或 in 都可以,意思一样: I am quite certain about / of it. 2. 注意下列用法: It is certain that he will agree. ( It is certain that) He is certain to agree. ( be cer- tain to do sth) You can be pretty certain that he will agree. ( be pretty certain that) I still can't be certain who will come to the party. ( be certain who) I still can't be certain when he will come to the party. ( be certain when) I still can't be certain where the party is going to be held. ( be cer- tain where) I still can't be certain what he is going to say at the party. ( be cer- tain what) 3. I am not certain about what he wants. 中的 about 可以省去,意思不变。 4. 在表示“某某、某位”时,certain 与 some 近似,但有差异。 certain 前可以用不定冠词,some 前不可以用; 另外,some 不用在具体人称前: a certain person a certain Mr. Jones a certain newspaper some guy some fool some newspaper ( 不说 a some newspaper 等) 5. 表示“某些 ( 人等)”时,certain 和 some 的含义相同: certain / some people certain,sure,bound 1. 3 词都有“肯定的”意思,有时可以相互替换使用: He is certain / sure / bound to win the race. Are you certain / sure that you met him before? 2. certain 的语气比 sure 强,bound 的语气最强。 3. certain 指“有肯定的理由或确切的证据来排除疑虑”: War was certain after Germany in- vaded Poland. 4. sure 指“心里没有怀疑”: The detective was sure that the girl had been kidnapped. 5. bound 侧重指“受到责任、义务等约束而肯定”: I'm bound to say I agree with my daughter. 6. 可以说 It is certain that: It is certain that every country pro- duces both brave men and cow- ards. |
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