- 释义：
- n. 确定；必然，肯定；必定的事
- 构词：
- certain肯定的+ty特性,性质等→n.必然,肯定;必然的事
- 例句：
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I know for a certainty that the company has been bought up.
我确实知道公司已经被人收购了.
换一句
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It's a dead certainty that this horse will win the race.
这匹马在比赛中获胜是必定的.
换一句
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I can't say with any certainty where I shall be next week.
我不能确切地说下周我在什么地方.
换一句