lest的双解释义是：conj.(连词)唯恐 for fear that免得 in order that...not;in case。lest的意思是conj.惟恐；以免；担心。lest的读音是英[lest]；美[lest]。
一、详尽释义点此查看lest的详细内容
二、英英释义
三、网络解释
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
四、例句
They spoke in whispers lest they should be heard.
他们低声说话，唯恐被别人听见。
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。
I got up early lest I should miss the train.
我早起以免错过了火车。
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 was afraid lest the new car should be stolen.
我担心新汽车会被偷走。
五、词汇搭配
六、经典引文
Lord God of Hosts, be with us yet, Lest we forget, lest we forget.
出自：R. KiplingShe drew in her breath lest he should hear it now.
出自：M. Sinclair七、词语用法
lest的相关近义词
for fear that、perchance、in case、so as not to、fear、in、that、if、for、order、to、avoid
lest的相关临近词
let、lessor、Lesti、Lesto、Lestr、leste、Lesty、Lesta、Lestan、Lestum、Lestor、Lester