lest

连接词

1. 1

   以免、免得、以防正式

   She wrote everything down lest she forget the details.

   她把所有事情都记下来，以免忘了细节。

2. 2

   唯恐、深怕正式；用于表达恐惧、担心之后

   He was afraid lest his secret be discovered by his coworkers.

   他深怕自己的秘密被同事发现。