precarious [prɪˈkeriəs]

例句:

• They looked rather comical as they crawled up precarious ladders.
  他们顺着摇摇晃晃的梯子往上爬，看起来非常滑稽。
  
• I imagine it as being precarious, yet peaceful.
  来自BBC
• They eke out a precarious existence foraging in rubbish dumps.
  他们靠在垃圾场捡垃圾维持着朝不保夕的生活.
  
• He earned a precarious living as an artist.
  作为一个艺术家，他过的是朝不保夕的生活。
  
• But, like others, their relationship is precarious.
  来自WSJ
• We consider this to be a very precarious situation.
  来自WSJ
• A soldier leads a very precarious life.
  军人过着非常危险的生活。
  来自《权威词典》