idioms

  champagne taste on a beer budget (like expensive things you can’t afford) I spent all my salary in two days. I guess I’ve got champagne taste on a beer budget. Jane has a champagne taste on a beer budget. She often buys designer clothes. envocabulary.com

  can’t hold your liquor  disapproving (a small amount of alcohol affects you badly) Leo can’t hold his liquor, so please do not keep filling his glass. The problem is that you can’t hold your liquor, and we don’t want you to start fighting. envocabulary.com

  can’t boil an egg (can’t cook even the simplest meal) Let’s eat something beforehand because Jack is making dinner, and he can’t even boil an egg. Jim can barely boil an egg, much less cook dinner for us. envocabulary.com

  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