something is not all/everything it's cracked up to beinformalDISAPPOINTED used to say that something is not as good as people say it is 某事物不像人们说的那么好 I thought the film was OK, but it’s not all it’s cracked up to be. 我认为这部电影还可以,但没有人们说的那么好。
→ something is not all/everything it’s cracked up to be at crack1(7)