正颜厉色 (正顏厲色) zhèng yán lì sè

zhèng yán lì sè set phrase solemn in countenance
Domain: Idiom 成语 , Subdomain: , Concept:
Notes: (CC-CEDICT '正顏厲色'; Guoyu '正顏厲色'; Mathews 1931 '正顏厲色', p. 43)