剑拔弩张 jiànbá-nǔzhāng

(1) [at swords’points;be at to daggers drawn;be at daggers' points;be in a blustering and aggressive manner]∶表現出彼此的敌意或敌对的行动;准备交手

在双方争吵最激烈而均在剑拔弩张的时候

(2) [with swords drawn and bows bent]∶比喻形势紧张,一触即发