a bull in a china shop

idiomPart ofbull

a bull in a china shop — idiom

1. A person who behaves in a clumsy or rough way where careful behavior is needed.

1.idiom
Definition

A person who behaves in a clumsy or rough way where careful behavior is needed.

Example

Maya entered the meeting like a bull in a china shop, knocking over a cup.

Don't be a bull in a china shop when you handle the antique vase.