And I swear that it's true.

我发誓这一切都是真的。

youdao

Just in a similar fashion, we can also inherit a form and I swear I am not kidding.

只是在以类似的方式，我们也可以继承的形式，我发誓，我不是在开玩笑。

youdao

But, sure enough, I saw him emerge from behind there, and I swear I couldn't see him when he was sitting/standing/levitating behind it!

千真万确我看到它从那后面出来，我发誓当它坐/站/飘在那里时我完全看不到！

youdao

"My whole life,I'm like, I'm Mexican and I'm really -- I'm a proud Mexican-American and I swear I was an Aztec princess in my past life.

VOA: special.2010.09.13

And, I swear, it really contains Fresca.

我发誓，这里边装的真的是斯卡。

麻省理工公开课 - 固态化学导论课程节选

Please raise your right hand and repeat after me. I, George Walker Bush, do solemnly swear...

VOA: special.2009.01.19

And I could swear I saw an old bearded man wandering through the terminal chewing on an unlit Tyrolean gesteckpfeife.

FORBES: Interlude: Frankfurt International Airport and Feeble Attempts at German

And to America, I say to it and to its people this: I swear by God the Great, America will never dream nor those who live in America will never taste security and safety unless we feel security and safety in our land and in Palestine.

CNN: Bin Laden: America 'filled with fear'

Unidentified Man: I, Pervez Musharraf, do solemnly swear that I am a Muslim and believe in the unity and oneness of Almighty Allah.

NPR: Musharraf Sworn In, Promises to Lift Emergency