1.UNFRIENDLYserious, never smiling, and unfriendly 严厉的，冷峻的
2.FRIGHTENEDa dour place is one that is plain and dull, and where people do not have any fun 〔地方〕死气沉沉的，无生气的
—dourlyadverbadv
Examples from the Corpus
dour• In spite of what some nonscientists think, scientists are not necessarily dour.• His expression seems dour, chastened around the edges.• Nelly watched the thoughts chasing each other across his dour countenance.• And the only nickname anyone has come up with for the dour former Stanford star is, well, Mike.• a dour reminder• It was a dour struggle between two workmanlike teams.• The Neo-Expressionists mostly seem too dour to qualify - and most do not make prints on a sufficiently regular basis.
Origindour
(1300-1400)Gaelicdur, perhaps from Latindurus“hard”