TO KEEP A STRAIGHT FACE

Good morning. Today's expression is: to keep a straight face It means: not to show that you want to smile or laugh in a situation; to maintain a neutral facial expression. Example 1: How did you manage to keep a straight face during the presentation? When I have to give presentations or speeches, I get so nervous that I start laughing. Example 2: It can be very difficult to keep a straight face when somebody does something embarrassing in front of you. Example 3: The students were behaving so badly that the teacher got very angry and shouted at them. However, some of the students couldn't keep a straight face and started laughing. This, of course, made the teacher even angrier. If you have any questions about this expression, please don't hesitate to contact me. Have a great day!