be cracked up to be
US /bi krækt ʌp tu bi/
UK /bi krækt ʌp tu bi/

1.
to be as good or as important as people say or think
:
•
The movie wasn't all it was cracked up to be.
•
This new software isn't quite what it's cracked up to be.
to be as good or as important as people say or think