4 sentences for 開玩笑 (kāi​wán​xiào — to act flippantly)

1. 我也不拿工作开玩笑。

   wǒ yě bù ná gōng​zuò kāi wán​xiào.

   I don't joke about work either.

   Source: OpenSubtitles

2. 个人安全可不是开玩笑的。

   gè​rén ān​quán kě bù​shì kāi wán​xiào de.

   Personal safety is no joking matter.

   Source: OpenSubtitles

3. 训练不是开玩笑！

   xùn​liàn bù​shì kāi wán​xiào!

   Training is no joke!

   Source: OpenSubtitles

4. 食物中毒可不是开玩笑的。

   shí​wù​zhòng​dú kě​bu​shì kāi wán​xiào de.

   Food poisoning is no joke.

   Source: OpenSubtitles