on the rocks
岌岌可危的，失败的，不稳定的
口语·描述关系或事业危机
英文释义
in a state of difficulty or trouble; experiencing problems or challenges
例句
Their marriage has been on the rocks for months now.
典故来源
源自航海术语，船触礁（rocks）后陷入危险，比喻关系或计划濒临失败。