I was kidding, I was just kidding. He is the one who saved your life.

我说着玩呢，说着玩呢。是他救了你的命。

youdao

Just kidding. I'll let you off the hook.

开玩笑的，我放过你。

哈佛公开课 - 幸福课课程节选

Just kidding: the school moved to another high school ruling body, the Texas Christian Athletic League.

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If there's no New Orleans left the - and I'm just kidding, Lord.

NPR: New Orleans Family Heads North

Finally, should something unfortunate turn up in one of your e-mails, as a last resort you might try the "just kidding" defense.

FORBES: Magazine Article