idioms

  butter wouldn’t melt in one’s mouth  informal (someone who looks innocent, sincere) Jim looks as if butter wouldn’t melt in his mouth, but I have seen him trying to break into a house. She looks as though butter wouldn’t melt in her mouth and has never done anything wrong. …

  butter someone up (be nice to someone in order to get them to like you and support you) He always buttering up the boss to get promotion. If you need his help, you have to butter him up first. envocabulary.com

  at loose ends (in an uncertain situation, restless and unsettled) When In am at loose ends, I go for a long walk. Ever since Jim lost his job, he seems to be at loose ends. envocabulary.com

  to your heart’s content (as much as you like) When you go to the beach, you can swim to your heart’s content. Today I have plenty of money to spend, and I can buy things to my heart’s content. envocabulary.com

    let your heart rule your head (to do something based on your rather than what you think is sensible) Don’t let your heart rule your head. He is just a known womanizer. You cannot persuade him. It’s a case of the heart ruling the head. envocabulary.com