conj.免得，以免，(引出产生某种情感的原因)唯恐，担心

She got up early lest she should miss the train.
她早起以免错过了火车。
We leave our voices in time, lest history forget that we were ever here.
我们在时间留下了我们的声音，以免历史忘记我们曾经来过。
Please be careful, lest cause an accident.
请大家尽量小心，以免造成意外。
Lest we forget, this victory was achieved through the collective effort of every soldier.
我们切勿忘记，这个胜利是每一个士兵共同努力的结果。
Lest the task be too daunting, let's break it down into smaller steps.
为了不使任务显得过于艰巨，让我们将其分解成更小的部分。
Lest there be any confusion, I'll clarify the instructions now.
为了避免任何混淆，我现在就来明确一下指示。
Lest we appear unprepared, ensure all necessary materials are in place.
为了显得我们有备而来，确保所有必要的材料都已到位。
Lest the party be ruined, please refrain from discussing work-related matters.
为了不破坏聚会气氛，请避免讨论工作相关的事情。
Lest the children get bored, we've planned various fun activities for them.
为了防止孩子们感到无聊，我们为他们安排了各种有趣的活动。
Lest they suspect our intentions, we must maintain a neutral appearance.
为了不让他们怀疑我们的意图，我们必须保持中立的姿态。
Lest the project fail, we need to carefully review and address each issue.
为了项目不失败，我们需要仔细审查并解决每个问题。
Lest you miss the deadline, make sure to submit your report by Friday.
为了不错过截止日期，确保你的报告在星期五前提交。
Lest they think twice, act promptly and confidently on your decision.
为了不让他们有所迟疑，果断且自信地执行你的决定。