敌忾同仇dí kài tóng chóu

指抱着共同的愤，一致对付敌人。

例十年抗战，共赋无衣，敌忾同仇，卒致胜利，而今却成为追忆了。——郭沫若《洪波曲·南京印象》

英A common danger causes common action; be unanimous in their hatred against the enemy;

亦作“同仇敌忾”