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- Bind the rope fast lest it should come loose. 把绳子绑牢，免得它松脱。
- I was told to beware lest I injure him. 有人关照我，要我小心别伤害他。
- I am afraid lest the new bike shall be stolen. 我担心新自行车会被偷走。
- He whispered for fear lest his son should hear. 他悄声耳语，以免给儿子听见。
- environntental lest 环境试验
- I got up early lest I (should) miss the train. 我早起以免错过了火车。
- Beware your hat, lest it should be blown away. 当心你的帽子别被吹走。
- Hide it lest he (should) see it. 把它藏起来免得他看见。
- I was afraid lest the new bike should be stolen. 我担心新自行车会被偷走。
- They spoke in whispers lest they should be heard. 他们低声说话，唯恐被别人听见。
- 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。
- He went on talking, lest he should expose his uneasiness. 他继续往下谈，唯恐显露出内心的不安来。
- 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。
- We dare not play jokes on him lest he should become angry. 我们不敢开他玩笑生怕他动气。
- I turned down the radio lest it should interfere with his lessons. 我把收音机音量调低以免妨碍他上课。
- I must restrain him lest he give us away. 我得约束他一点，以免暴露我们自己。
- I was afraid lest he might come too late. 我怕他来得太晚。
- I shall ring you up lest you forget to come. 我会打电话给你，以免你忘了来。
- They trembled lest the peasants should hear of it. 他们战战兢兢，唯恐农民会听到这事。
- I was afraid lest he come too late. 我怕他会来得太迟。
