early 15c., "healthy condition," from Middle French sanité "health," from Latin sanitatem (nominative sanitas) "health, sanity," from sanus "healthy; sane" (see sane). Meaning "soundness of mind" first attested c. 1600.
实用例句
1. He pleads for sanity in a lunatic world.
他祈求在这混乱的世界里仍能保持头脑清明。来自柯林斯例句
2. His behaviour was so strange that I began to doubt his sanity.
他行为怪异，我有点怀疑他是否神智正常。来自《权威词典》
3. She managed to keep her sanity throughout the ordeal.
在那场磨难中她始终保持神志正常.来自《简明英汉词典》
4. I doubt the sanity of such a plan.
我怀疑这个计划是否明智.来自《简明英汉词典》
5. He and his wife finally had to move from their apartment just to preserve their sanity.
