
Not all, everything, etc. somebody’s cracked up to be
Expectation Gap
Shows a difference between what people say about something and the actual experience.

The movie everyone raved about wasn't everything it was cracked up to be.
Mild Disappointment
Used to express mild disappointment, not a severe failure or fault.

The famous burger place wasn't all it's cracked up to be, but it was still okay.
Casual Conversations
Best used in casual conversations rather than in formal contexts.

I heard so much about this gadget, but it's not all it's cracked up to be.
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