All I've done is write down slightly boringly and nerdily, exactly what we already saw in a couple of occasions.

我写在黑板上的都是那些乏味的定义,我想你们你们忍受很久了

耶鲁公开课 - 博弈论课程节选

I've been needing your help for quite sometime.

其实我很久之前就想请你帮忙了。

Would you 实战 - SpeakingMax英语口语达人

And this will have to go up before The International Union of Pure and Applied Chemistry before they approve it because they fought over element 106 for the longest time, but I think this will go through fairly quickly.

但还是要往上申请,直到国际纯粹与应用化学联合会,因为同意,他们为106号元素抗争了很久，但我想这个应该会很快通过。

麻省理工公开课 - 固态化学导论课程节选

I want to share some of that with you so you can fast forward and get the understanding that took me much longer to get.

我想和你们分享一下心得,这样你们就能更快地进步,并理解我当初花了很久才理解的东西

耶鲁公开课 - 基础物理课程节选