on the edgeWiktionary 原文英美释义介词短语prepositional phrase1In a precarious position, with one's resources nearly exhausted.2In a state of excitement due to taking risks.3(with of) With figurative or temporal proximity to (an event, state of mind, etc.).同族词派生词 1live on the edge相关词 3on edge·on the edge of·on the edge of one's seat