not all it's cracked up to be["예상했던 만큼 만족스럽지 못한, 예상은 했지만 좀 실망스러운"]

not all it's cracked up to be

: not as good as expected 

  "예상했던 만큼 만족스럽지 못한, 예상은 했지만 좀 실망스러운"

A.

Everyone says the new Italian restaurant is the best place in town.

Last night I went there for dinner and found that it's not all it's cracked up to be.

The service is slow and the food isn't very good.

B.

Working as an international flight attendant is not all it's cracked up to be.

You get to travel the world, but the work is hard, the hours are long and the pay is low.

[주]

: the hours = the working hours