sane
/seɪn/adjective
1- (of a person) of sound mind; not mad or mentally ill（人）心智健全的, 神志正常的; 不疯的, 无精神疾病的：
hard work kept me sane.
努力工作使我心智正常。
1.1
- (of an undertaking or manner) reasonable; sensible（行为）明智的, 清醒的; 合情合理的。
派生词
sanely
adverbsaneness
noun词源
early 17th cent.: from Latin sanus 'healthy'.