正言厉色 (zhèng yán lì sè) | Meaning: solemn in word and countenance (idiom); strict and unsmiling | Chinese Idiom with Pinyin & Origin

quiet and reserved · discreet (or serious) in speech and manner不苟言笑bù gǒu yán xiào

as cold as ice and frost (idiom, usually of woman); icy manner · frigid冷若冰霜lěng ruò bīng shuāng

solemn in countenance (idiom); strict and unsmiling正颜厉色zhèng yán lì sè

severe (or stern) in voice and countenance声色俱厉shēng sè jù lì

solemn in word and countenance (idiom); strict and unsmiling