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。
to keep/preserve your sanity
保持头脑清醒
After a series of road accidents the police pleaded for sanity among drivers.
在发生一系列交通事故之后，警方提请驾驶员要审慎驾车。
1.明智;合乎情理;稳健
2.神志清楚,头脑清楚,精神健全,
1.the ability to think and speak in a reasonable way and to behave normally
2.behavior that is reasonable or that people expect
1.The only impression left by such a life is that of the strong calm sanity that Our Lord gives to those who are intimate with Him.
这样的生命仅留的印象是坚强，沉静和健全的心智，这是我们的主赐予和祂亲密的人的。
2.The body of the method is typically made of a bunch of assert statements, but you can put whatever sanity-checking code in there.
这个方法中通常包含了一些断言，但是你也可以放任何检查性代码在里面。
3.You can see how much Shiro simplifies hashing and encoding, saving you a bit of sanity in the process.
你可以看到Shiro对哈希和编码简化了不少，挽救了你处理在这类问题上所消耗的脑细胞。
4.If any of you are planning to be on Interstate 95 this summer, and you see a poor guy's sanity lying there, could you please let me know?
今年夏天倘若你要去95号州际公路，那么你就会看见一个可怜家伙的理智留在了那里。你能告诉我那是谁的吗？
5.Living here and now, in the moment, keeps you aware of life, of what is going on around you and within you. It does wonders for your sanity.
活在当下可以保持你对生活的敏感度，让你知道你的周围和你的内心正在发生什么样的变化，使身心受益匪浅。
6.Jeezus, please-us. Back in my day, a woman out in public like that would have been arrested and given a sanity hearing.
在我们那个时代，这种穿着的妇女如果出现在公众前，是要被逮捕还会开一个判断其神经是否正常的听证会。
7.Bill McKibben calls it "a powerful inspiration to citizens acting for environmental sanity. "
BillMcKibben称之为“给那些为了一个正常环境而行动的人们的一个强有力的激励”。
8.No one could have come out of that bombardment with his sanity.
经受过那次轰炸后，谁也不可能保持精神健全。
9.We're going to throw all that away anyway. Go ahead and build it as a sanity check, which should go through fine.
我们打算把这些多余的东西抛到一边，做一个比较完善的检测，就可以继续往下。
10.We came up with more sanity checks than I've ever seen in any other study before.
随后我们进行了比以往任何其他研究项目更加全面的检验。