Select the most appropriate meaning of the given idiom.
Keep a straight face
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. Not laugh or change your expression even though you want to laugh.
"Keeping a straight face" means maintaining a serious or composed facial expression, especially when it is difficult not to laugh or show amusement.
It involves controlling one's facial muscles to avoid displaying emotions such as amusement, surprise, or embarrassment, even though one may feel them internally.