cheerfully optimistic 乐观的;乐天的 they are not sanguine about the prospect. 他们对前景并不乐观。 ■(in medieval science and medicine) of or having the constitution associated with the predominance of blood among the bodily humours, supposedly marked by a ruddy complexion and an optimistic disposition (中世纪科学和医学)多血质的 ■(archaic)(of the complexion) florid; ruddy (古)(肤色)红润的;血色好的 ■(archaic)bloody or bloodthirsty (古)流血的;嗜血成性的,好杀戮的
(poetic/literary & Heraldry)blood-red (诗/文 纹章)血红的
noun
[mass noun]a blood-red colour 血红色 ■a deep red-brown crayon or pencil containing iron oxide (含有氧化铁的)红粉蜡笔;红粉笔 ■(Heraldry)a blood-red stain used in blazoning (纹章)血红色着色剂
派生 sanguinely adverb sanguineness noun 语源
Middle English: from Old French sanguin(e) 'blood red', from Latin sanguineus 'of blood', from sanguis, sanguin- 'blood'