lest should

Hester would not set him free, lest he should look her sternly in the face.

海丝特不肯放松他, 以免看见他盯望着她面孔的那种严厉表情.

They spoke in whispers lest they should be heard.

他们低声耳语惟恐被人听见。

I reminded him several times lest he should forget.

我几次提醒他，唯恐他忘了。

Read in a good light lest it should hurt your eyes.

到明处来看书，免得搞坏了视力。

I was afraid to open the door lest he should follow me

我不敢开门，唯恐他还跟着我。

Read in a good light lest It'should hurt your eyes.

到明处来看书,免得搞坏了视力.

Be careful lest you ( should ) fall from the tree.

小心,不要从树上掉下来.

While they have not got their aims, their anxiety is how to get them; when they have got them, their anxiety is lest they should lose them.

其未得之也，患得之；既得之，患失之。