坏脑子
brains───n.智力；脑髓（brain的复数）
electronic brains───电脑；电子计算机
brains out───脑残
bad───n.坏事；坏人；n.(Bad)人名；(罗)巴德；adv.很，非常；坏地；邪恶地；adj.坏的；严重的；劣质的
bad are bad───坏的是坏的
racked my brains───绞尽脑汁（非正式）
bad bad cold───重感冒
bad bad girl───坏坏女孩
you bad bad───你太坏了
Nor is there anything bad about our brains' being altered by these new technologies, any more than there is something bad about a monkey's brain changing as it learns how to play with a rake.───这些新技术对人脑的改变也不会有任何坏处，就像猴子的大脑因猴子学会如何使用钉耙而发生了改变一样，有什么不好呢？
There's a biological reason a lot of our bad habits are so hard to break - they get wired into our brains.───我们大量的坏习惯之所以难以打破，有生物学方面的原因——它们已经根植于我们的大脑之中。
We can't just sit quietly and wait for a bus, and that's too bad, because our brains need that down time to rest, to process things.───我们只是不能安静地坐在那等公交，那也太难受了，因为那时我们的大脑需要消遣，需要处理些事情。