So we can think of this term has to do with complementarity, or synergy, a very unpopular word these days but still: synergy.

因此我们可以把合作理解为互补或协同,虽然协同这个词现在不是很常用了

耶鲁公开课 - 博弈论课程节选

So these people, of course, were very unpopular.

所以那些人当然会不受欢迎。

耶鲁公开课 - 新约课程节选

He's an extremely unpopular king.

他是一个不得人心的国王。

耶鲁公开课 - 旧约导论课程节选

And the president, on many occasions, took unpopular positions that he thought were the right policy because that's what he thought he was elected to do was to use his best judgement and that judgement didn't necessarily need to be the most popular thing around.

许多场合下总统，都会采取并不受推崇的做法,但他认为是正确的政策,因为他认为这是他当选总统该做的,就是运用他最好的判断力,这种判断未必是,最受欢迎的。

普林斯顿公开课 - 国际座谈会课程节选