not be able to do something to save your life成語所屬單字savenot be able to do something to save your lifenot be able to do something to save your life — 慣用語慣用語1. Used to say that someone is extremely bad at doing something.1.慣用語釋義完全無法做某事Used to say that someone is extremely bad at doing something.例句Mia can't cook a simple meal to save her life.Why did you ask Tom to fix the sink? He can't use a wrench to save his life.