Compounds of 聞いてあきれる

• 聞いてあきれる
  (v1,vi) to be astonished to hear
  to be incredulous about
  to express disbelief
• が聞いてあきれる
  (exp,v1) who do you think you're kidding by saying (used to indicate incredulous dismissal of some claim)
  What a laugh!