Use "keep a straight face" in a sentence
1. It's hard to keep a straight face when Toot's acting the goat.
Thật khó mà nghiêm nghị khi Toot mang cái bộ mặt hề.
1. It's hard to keep a straight face when Toot's acting the goat.
Thật khó mà nghiêm nghị khi Toot mang cái bộ mặt hề.