keep a straight face meaning in Hindi

Examples

1. McDonough plays the impish provocateur, challenging Remy to keep a straight face.
2. Just to surrender and be passive and not keep a straight face.
3. Then when you pass the troops in parade keep a straight face.
4. It's hard to keep a straight face when talking about Marv Albert.
5. "I like the idea, " he said, straining to keep a straight face.
6. Andy Richter has always been able to keep a straight face.
7. I can look at almost anything and keep a straight face.
8. Newman said Friday, managing somehow to keep a straight face while saying it.
9. So she's had to find ways to keep a straight face.
10. "I don't think Clinton could even keep a straight face,"