precaution

pre-,预先，caution,谨慎。

precaution (n.)

c. 1600, from French précaution (16c.) and directly from Late Latin praecautionem (nominative praecautio) "a safeguarding," from past participle stem of Latin praecavere "to guard against beforehand," from prae "before" (see pre-) + cavere "to be one's own guard" (see caution (n.)). The verb meaning "to warn (someone) in advance" is from c. 1700.

1. We are aware of the potential problems and have taken every precaution.

我们已意识到潜在的问题，并采取了全面的预防措施。

2. I took the precaution of clearing out my desk before I left.

我临走时特地事先把办公桌清理了一下。

3. I took the precaution of locking money in the safe.

我把所有的钱都锁在保险箱里以防万一.

4. I had taken the precaution of doing a little research before I left London.

我已在离开伦敦前进行了准备，做了些调查研究。

5. I took the precaution of clearing out my desk before I left, and only my private secretary knows it.

我在离开之前预先把桌子整理好了，这一点只有我的私人秘书知道。