You know I’m not the boss. Just kidding.

你知道我不是老板，只是个玩笑了！

youdao

But the proposal was quickly followed by two very different signs: 'Just kidding' and 'I'm breaking up with you'.

但是这个求婚的后面紧接着是两个不同的标志牌：“仅仅是开个玩笑”，“我要和你分手了”。

youdao

YOU! Nah, I’m just kidding.

不要惊慌，只是个玩笑而已。

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

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

Rick, have you been reading over at my blog, just kidding here but not many covered the China Gate story and I caught it too when it was happening and yes the insurers are investing heavy in technology, United has been doing this for a long time and made several acquisitions last year alone.

FORBES: The Coming Crash Of The American Health Care System

Here's the plan -- the secret plan. (Laughter.) You guys, turn off your cameras. (Laughter.) Just kidding. (Laughter.) So from now until November we're going to need every single one -- look at this room!

WHITEHOUSE: Remarks by the First Lady at a Campaign Event