complainer [kəm'pleɪnə]

例句:

• He was a terrible complainer — always moaning about something.
  他特别爱发牢骚，老是抱怨这抱怨那。
  
• He is a chronic complainer.
  他这个人老是抱怨.
  
• Rhoda is a chronic complainer. She is always dissatisfied.
  罗达的抱怨是习惯性的,她老是不满.
  
• Just do the job and not be a complainer.
  来自NEWYORKER
• The soap complainer had wandered away when Stevick wasn't looking.
  来自NEWYORKER
• The complainer was chased and then struck repeatedly before falling to the ground.
  来自BBC