butter wouldn't melt in someone's mouth

成語所屬單字butter

butter wouldn't melt in someone's mouth — 慣用語

1. looking sweet and innocent, while actually being naughty or willing to cause tro

1.慣用語
釋義

看起來人畜無害;裝乖;裝無辜

looking sweet and innocent, while actually being naughty or willing to cause trouble.

例句

Little Mia stares at the broken vase as if butter wouldn't melt in her mouth.

The boss seems polite at meetings, but butter wouldn't melt in his mouth.