lest

英 [lest]

美 [lest]

conj.  免得; 以免; (引出产生某种情感的原因)唯恐，担心

CET4CET6考研TEM4TEM8

Collins.1 / BNC.9641 / COCA.8827

牛津词典

conj.

• 免得；以免
  in order to prevent sth from happening
  1. He gripped his brother's arm lest he be trampled by the mob.
     他紧抓着他兄弟的胳膊，怕他让暴民踩着。
• （引出产生某种情感的原因）唯恐，担心
  used to introduce the reason for the particular emotion mentioned
  1. She was afraid lest she had revealed too much.
     她担心她泄露得太多了。

柯林斯词典

• CONJ-SUBORD 唯恐；免得
  If you do somethinglestsomething unpleasant should happen, you do it to try to prevent the unpleasant thing from happening.
  1. I was afraid to open the door lest he should follow me...
     我不敢开门，唯恐他还跟着我。
  2. 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。
  3. And, lest we forget, Einstein wrote his most influential papers while working as a clerk.
     大家不要忘记，爱因斯坦最有影响力的论文还是当文员的时候写的。

双语例句

• He is not concerned lest his people should be poor, but only lest what they have should be ill-proportioned.
  不患寡而患不均。（《论语》）
• I got up early lest I ( should) miss the train.
  我早起以免错过了火车。
• And, lest we forget, Einstein wrote his most influential papers while working as a clerk.
  大家不要忘记，爱因斯坦最有影响力的论文还是当文员的时候写的。
• I used notes lest faulty memory should lead me astray.
  我翻阅了所做的笔记，免得记错了而使我误入歧途。
• Lest you think the film is too violent, I must assure you that it is not.
  以免你认为该影片暴力性太强，我必须消除你的疑虑。
• I am afraid of you, lest I have bestowed upon you labour in vain.
  我为你们害怕。惟恐我在你们身上是枉费了工夫。
• I was afraid to open the door lest he should follow me
  我不敢开门，唯恐他还跟着我。
• He wrote a letter home lest his parents worry.
  他写了封信回家，免得父母结记。
• Lest I forget them never venture to leave me alone.
  他们从不敢冒险离开我，唯恐我将其忘记。
• I hesitated to speak lest I disturB our tranquility.
  我迟迟不说话，惟恐搅乱了我们的宁静。