lest

1. Be careful lest you let other people spend it for you .

一定要小心谨慎，以免其他人替你把它花了。

2. Chinese authorities typically minimize events that suggest government incompetence lest they encourage social unrest .

中国当局典型的做法就是淡化这些剑指政府失职的重大事件，以免引起社会动荡。

3. Communities developed incentives to maintain their rung on the caste ladder , lest those below pass them .

各个种姓群体开发出奖励措施来保持自己在等级阶梯上的地位，以免低层阶级超过自己。

4. A positive thinker can never relax , lest an awareness of sadness or failure creep in .

积极的思考者从来都不能放松自己，唯恐悲伤和失败感悄悄进入脑海。

5. Fearful lest idle young people turn rebellious , saudi leaders want to put them to work .

由于害怕担心无业青年难以控制，沙特领导人想让他们都有工作。

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