live on the edgeWiktionary 原文英美释义动词verb1idiomaticTo have an adventurous or perilous lifestyle; to behave in a manner which creates risks for oneself.2idiomaticTo be caught in an economic or societal situation which one did not choose, which threatens one's well-being or life, and which causes distress.同族词相关词 4on edge·on the edge·on the edge of·on the edge of one's seat