know for a certainty that...

know for a certainty that... 基本解释

确实知道...

know for a certainty that... 用法和例句

1、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。

重点词汇

know vt.& vi. 知道；看到过；听到过；经历过 vt. 认识；确信；认识到；能认出 n. 〈口〉知晓，知情 vi. 拥有知识、理解力或信息；知道，明白

certainty n. 确定性，确实性；确定的事，必然的事