lest

[lest]

conj.惟恐, 以免, 担心

例句与用法：

Beware your hat, lest it should be blown away.

当心你的帽子别被吹走。

He took a flashlight lest it should get dark before he returned.

为了预防回来以前天就黑了，所以他带着手电筒。

Hide it lest he (should) see it.

把它藏起来免得他看见。

We talked in a low voice lest we should wake the baby up.

我们小声说话以免吵醒婴儿。

I got up early lest I (should) miss the train.

我早起以免错过了火车。

They spoke in whispers lest they should be heard.

他们低声说话，唯恐被别人听见。

词形变化：

动词过去式: lessoned | 动词过去分词: lessoned | 动词现在分词: lessoning | 动词第三人称单数: lessons |

详细释义：

conj.

1. 惟恐; 免得

We dare not play jokes on him lest he should become angry.

我们不敢开他玩笑生怕他动气。

2. 担心

I was afraid lest the new bike should be stolen.

我担心新自行车会被偷走。