not be able to do something to save your life成語所屬單字lifenot 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. To be completely unable to do something.1.慣用語釋義完全無法To be completely unable to do something.例句He can't sing to save his life.I can't cook to save my life.