To be aggressive and clumsy in a situation that requires delicacy and care. My son is always like a bull in a china shop, so I'm worried about taking him to the museum. Surrounding him with valuables does not seem like a wise idea!This is a complex problem, and if you attack it like a bull in a china shop, you will alienate a lot of people.
to often drop or break things because you move awkwardly or roughly Rob's like a bull in a china shop - don't let him near those plants.She's like a bull in a china shop when it comes to dealing with people's feelings. (= behaves in a way that offends people)