lest
连词以免; 唯恐; 惟恐; 生怕
连词
1. I was afraid lest the new bike should be stolen.
我担心新自行车会被偷走。
2. I was afraid lest he might come too late.
我怕他来得太晚。
3. lest的解释
3. 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。
4. Be careful lest you fall from that tree.
要当心，以免从树上摔下来。
5. I obeyed her lest she should be angry.
我得顺着她，免得她生气。
1. 惟恐,免得：less 更少的,更小的,其次的 | lest 惟恐,免得 | load 装(载),装货
1. 唯恐；免得
If you do something lest something unpleasant should happen, you do it to try to prevent the unpleasant thing from happening.
lest在线翻译
e.g. I was afraid to open the door lest he should follow me...
我不敢开门，唯恐他还跟着我。
e.g. The president has gone along with the hardliners lest they be tempted to oust him...
总统同意了强硬派的意见，以免他们产生赶他下台的念头。