insecurity [ˌɪnsɪˈkjʊrətɪ]

例句:

• These incidents are symptoms of contemporary...society's deep-seated insecurity.
  来自Gamut
• Alarm and insecurity in countries around the Soviet periphery.
  来自H. Kissinger
• Crime creates feelings of insecurity in the population.
  犯罪活动引起人们的不安全感。
  
• Many believe it was his shyness and insecurity which let him down.
  很多人认为是他的腼腆和缺乏安全感拖了他的后腿。
  
• Insecurity might creep in.
  可能会不知不觉地产生不安全感。
  
• If so, the insecurity rap would be misplaced.
  来自SA