To assume a stern expression and speak in a severe tone; to speak with a serious and strict demeanor.
当小明看到同学们在图书馆里大声喧哗时，他立刻正色厉声地制止了他们。
When Xiao Ming saw his classmates making a loud noise in the library, he immediately stopped them with a stern look and a severe tone.
Era:
Ancient
Frequency:
Next Idiom