sanguine [ˈsæŋgwɪn]

以下由轻松背单词网站提供

adj.充满希望的，乐观的，血红色的

(of someone or their character ) positive and hopeful

He has a sanguine attitude to life. 他对于人生有乐观的看法。
He is not very sanguine about our chances of success. 他对我们成功的机会不太乐观。