敌国兵临城下时被迫订立的盟约。《左传·桓公十二年》记载，楚国攻打绞地（今湖北郧县西北），“大败之，为城下之盟而还”。后泛指被迫与敌人签订的屈辱性条约。
城下之盟 [chéng xià zhī méng]
1. a treaty concluded with the enemy who have reached the city wall; sign a dishonourable peace as the defeated; terms accepted under duress; terms for surrender; treaty [contract] made [signed] under coercion; treaty signed below the city wall to avert destruction语言学
a treaty signed under coercion
Signed an agreement below
韩国的李夏辰三段执黑仅用了125手便强制日本攻擂的万波加奈四段签定了城下之盟(Signed an agreement below)，在人生事业中，需要用智慧来做出决策的大事很少，需要用行动来落实的小事甚多。
a treaty signed under coercion
日常用语词汇接龙 ... 城守 castellan 城下之盟 a treaty signed under coercion 城主 castellan ...
中国应该利用今天的优势而不是在将来兵临城下之时签定城下之盟。
China should take advantage of today's opportunity rather than being forced into change at a much less convenient time.
出 自 《左传·桓公十二年》：“大败之，为城下之盟而还。”
