I’ll pledge my word on it.

我会保证我的话。

" She has consented: she has pledged her word" .

“她已同意：她已发誓”。

The fox, seeing imminent danger, approached the lion and promised to contrive for him the capture of the donkey if the lion would pledge his word not to harm the fox.

狐狸看到了即将到来的危险，走进狮子，向他保证说如果狮子答应放过自己便可以帮助他抓住驴子。

" You are worth fighting for, it is true, " the Braavosi said, " and I would gladly let you kiss my sword, if I were free. But I have taken Yunkai's coin and pledged my holy word" .

" 没错，你挺漂亮，值得拥戴，" 布拉佛斯人说，" 若我是自由的，会很乐意让你亲吻我的‘宝剑’。可惜我拿了渊凯的钱，并立下神圣的誓言。"