sat·ur·nine
adjective/ˈsætənaɪn/
/ˈsætərnaɪn/
(literary)- (of a person or their face) looking serious and threatening
严肃而令人畏惧的；阴沉的 Word Originlate Middle English (as a term in astrology): from Old French saturnin, from medieval Latin Saturninus ‘of Saturn’ (identified with lead by the alchemists and associated with slowness and gloom by astrologers).