【like a bull in a china shop】 —said of a rough or clumsy person who is very careless and often breaks things:

• We told her it was a delicate situation but she went into the meeting like a bull in a china shop.

Note: The expression does not correlate in meaning with the phrase like a bull at a gate—used of somebody acting with unchecked violence or impetuosity:

• Try to approach her the right way. she's dead if scared of policemen and you will get nothing out of her if you go at it like a bull at a gate.

(see also Nonsense vs Twaddle vs Drivel vs Bunk vs Balderdash vs Poppycock vs Gobbledygook vs Trash vs Rot vs Bull )

【like an elephant in the room】 —said of a problem that everyone knows well but no one talks about because it is embarrassing, etc.:

• 【Like an elephant in the room】 , Liz and Christoph don't talk about what would have happened.

(see also See a pink elephant vs See the elephant and Pink elephant vs White elephant and Kill an elephant vs Shoot the bull )