挂免战牌

原指在战场上拒绝与对手交战时挂出免战的牌子。现也比喻不和人进行交锋。

挂免战牌guà miǎn zhàn pái

hang up a truce sign—refuse battle
❍ 那是个原则性问题。我们要继续辩论，但他们却挂了免战牌。That was a matter of principle.We wanted to carry on the debate,but they refused participation.

挂免战牌gua mian zhan pai

【旧语】hang up a truce sign—refuse to battle