"swear on" in Chinese (Simplified)

发誓以…为证

Definition

郑重承诺某事是真的，以非常重要的事物（比如母亲的生命或圣经）来证明自己的诚实。

非常强调，通常带有非正式或情感色彩。常见搭配有“swear on my life”、“swear on the Bible”等，表示极力保证诚实。正式法律场合一般不用该表达，通常用“swear an oath”等。

I swear on my mother's life, I'm telling the truth.

我**发誓以**我妈妈的生命为证，我说的是真的。

She swore on the Bible that she didn't steal anything.

她**发誓以**圣经为证，她没有偷任何东西。

You can trust me, I swear on my honor.

你可以相信我，我**发誓以**人格担保。

Dude, I swear on everything I love, I didn't touch your phone.

哥们，我**发誓以**我所有珍爱的东西为证，我没碰你手机。

He said, 'I swear on my kids, I would never lie to you.'

他说：'我**发誓以**孩子们为证，我绝不会骗你。'

Honestly, I swear on my life I had no idea about the surprise.

说真的，我**发誓以**命为证，我完全不知道有惊喜。