He wants to see them beg for mercy.

他想亲眼看着他们求饶。

I beg for mercy for my poor friend, Harlequin, who has never done the least harm in his life.

我为我可怜的朋友哈利昆求饶，他一生中从未做过哪怕是最轻微的伤害。

Good Sir, I beg for mercy.

尊敬的先生，我请求宽恕。

But I was there. I heard a woman beg for mercy.

但我就在那里。我听到一个女人的乞求。

I was a nobody and not inclined to beg for mercy or to show it.

我是个微不足道的小人物，无意乞求怜悯或将之暴露给别人。