The Greeks, as far as I know, did not allow anybody to be left handed in a phalanx; think about the problem.

希腊人,据我所知,在方阵里中不允许有左撇子,思考下这个问题

耶鲁公开课 - 古希腊历史简介课程节选

and I don't know if you guys know what fraternities and sororities are.

我不清楚你们知不知道兄弟会和姐妹群是什么。

不能错过的派对 - SpeakingMax英语口语达人

He, so far as I know, and I think I'm not forgetting, he is the only human being referred to in the poems in that way.

阿伽门农,就我所知,我想我不健忘,他是唯一一个以这种方式被提及的人类

耶鲁公开课 - 古希腊历史简介课程节选

and it struck me that that there was a lot missing from the picture that has been given in Washington as they were trying to set policies that would affect education, that would affect the regulation of entertainment in terms of understanding of young people's relationships to technology.

让我感到震惊的是,在整件事情上还有许多东西不为人所知,在华盛顿这些都展示于世人面前,正如他们在制定政策,能够影响教育的发展，影响娱乐业的行业规则,至于了解,年轻人与技术的关系。

麻省理工公开课 - 媒体、教育、市场课程节选

You know what I mean?

你知不知道我的意思？

滑板的故乡 - SpeakingMax英语口语达人

So what actually turns out the reality is that h e 2 does exist, but it exists as the weakest chemical bond known, and it wasn't, in fact, even found to exist until 1993, so I can assure you this is not a bond that you see very often in nature, and it is a very, very weak bond.

实际上He2键是存在的，但它是目前所知的最弱的键，直到1993年它才被发现，所以我可以向你们保证在,自然界你们不可能经常看到它，它是种非常非常弱得键。

麻省理工公开课 - 化学原理课程节选