玩笑

他常常开玩笑。

tā cháng cháng kāi wán xiào.

He often jokes around.

这个问题很严肃，别开玩笑。

zhè ge wèn tí hěn yán sù, bié kāi wán xiào.

This issue is very serious, don't joke.

我只是开个玩笑罢了，别当真。

wǒ zhǐ shì kāi gè wán xiào bà le, bié dàng zhēn.

I was just joking, don't take it to heart.