잉글리쉬쇼핑

a different kettle of fish

• 
  의미:
  전혀 다른 사람[것], 별개 문제
  
  예시:
  That makes it rather a different kettle of fish.
  We accept that nursing is a different kettle of fish now from what it was years ago. 발음듣기
  
  The new proposal is quite a different kettle of fish from the last one.