n.神智健全；头脑清楚
We have to do it in order to keep our sanity. 我们这么做是为了保持心智健全。
She lost her sanity when she heard of that news. 当她听到这个消息时,便发狂了。
Sanity of judgment has never deserted him. 他从未失去明达的判断力。
n.疯狂；精神错乱；荒唐
