He had to show the white flag at the end of the debate.

辩论到最后他只好认输。

youdao

We wave the "white flag" to call a truce, surrender, or show we are unarmed.

我们挥动“白旗”，以示休战或投降，或是告诉对方：我们放下了武器；

youdao

We wave the "white flag" to call a truce, surrender, or show we are unarmed.

我们挥动“白旗”，以示休战或投降，或是告诉对方：我们放下了武器；

youdao