and our behaviors and our actions

行为和动作
continually to try to trick people into believing what's not true.

去哄骗他人相信那些虚假的事情
We try to trick people, for instance,

比如我们总是试着去欺骗他人
into believing that we're

使他人相信我们比实际更加
tougher, smarter, sexier,

强壮聪明性感
more reliable, more trustworthy and so on, than we really are.

更加可靠或是更加值得信赖等等
And a large part of social psychology

社会心理学中也有很大一部分内容
concerns the way in which we present ourselves

在关注我们向他人展现自己的方式
to other people so as to make the maximally positive impression

人们会尽力使积极印象最大化
even when that impression isn't true.

即使留下的印象是虚假的
At the same time,though,

但同时
we've also evolved very good lie detection mechanisms.

我们也进化出了很好的欺骗检测机制