/seɪn ||; sen/adj1 (used about a person) mentally normal; not crazy （指人）精神健全的: No sane person would do anything like that. 哪个精神健全的人都不会做那种事。
2 (used about a person or an idea, a decision, etc) sensible; showing good judgement （指人、观点、决定等）明智的，理智的 [OPP] insane 反义词为insane ☞noun sanity 名词为sanity