lest /lest; lest/ conj 1 for fear that; in order that... not: 因恐; 以免： He ran away ~ he should be seen. 他因?yàn)榕卤蝗丝匆姸优芰恕?2 (after fear, be afraid/anxious etc) that: (用于 fear, be afraid/ anxious 糸之后，等于) that： We were afraid ~ he should get here too late. 我們恐怕他會(huì)京得太遲。