Word Detail

他发誓要戒烟。

tā fā shì yào jiè yān 。

He vowed to give up smoking.

我发誓我什么也没做。

wǒ fā shì wǒ shén me yě méi zuò 。

I swear I didn't do anything.

我能发誓这箱子里有东西。

wǒ néng fā shì zhè xiāng zi lǐ yǒu dōng xī 。

I could swear there's something inside this box.