on the rocks
岌岌可危的，失敗的，不穩定的
口語·描述關系或事業危機
英文釋義
in a state of difficulty or trouble; experiencing problems or challenges
例句
Their marriage has been on the rocks for months now.
典故來源
源自航海術語，船觸礁（rocks）后陷入危險，比喻關系或計劃瀕臨失敗。