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。