lest [lɛst]

例句:

• But Washington must act quickly lest the moment vanishes.
  来自WSJ
• Beware lest...Thou tell'st the story of thy love unseen.
  来自W. Morris
• 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。
  
• They decided to retreat lest they would be between two fires.
  他们决定撤退,否则就要受两面夹击.
  
• Be careful lest you ( should ) fall from the tree.
  小心,不要从树上掉下来.
  
• Lest she should entangle her Feet in her Petticoat.
  来自Addison
• I feared lest I should be late again.
  我唯恐自己再迟到。
  来自《权威词典》
• I ran as fast as possible lest I should be too late.
  我尽量快跑,免得迟到。
  来自《权威词典》
• Be careful lest you (should) fall from the tree.
  小心,不要从树上掉下来。
  来自《权威词典》