apprehensive [ˌæprɪˈhɛnsɪv]

例句:

• He was inwardly apprehensive as well as outwardly adventurous.
  来自L. Whistler
• People are still terribly apprehensive about the future.
  人们对于将来仍然非常担心。
  
• I was a little apprehensive about the effects of what I had said.
  我有点担忧我说的话的后果。
  
• He was rather apprehensive of failure.
  他相当害怕失败.
  
• I was apprehensive when first asked to take part.
  来自BBC
• The administration was apprehensive about expanding offshore drilling.
  来自WSJ