以我自己的经历而言，虽然我让自己保持积极高效，但也偶尔有不乐观甚至想放弃的时刻。

In my scenario, even if I had kept myself very positive and productive person, I had some occasional moments, when I was less optimistic and I wanted to give up.

youdao

虽然我对建筑学知之甚少，但那个建筑让我印象深刻。

While I know little about architecture, I find that building very impressive.

youdao

虽然我还是会感到紧张，但这已经足够让我克服恐惧。

Though I didn't lose all my nervousness, it was enough for me to overcome my fear.

youdao

Let me go and put that up-- it'll be tiring but let me go to and fro a bit.

让我回到讲台上记一下,虽然这样很累但是我多走几个来回吧

耶鲁公开课 - 博弈论课程节选

So any time I draw these molecular orbitals, I do my best, and I'm not always perfect, yet trying to make this energy different exactly the same for the anti-bonding orbital being raised, versus the bonding orbital being lowered.

所以我在画这些分子轨道的时候，虽然不是很完美，但我总是尽量,让反键轨道引起的，能量升高和成键轨道。

麻省理工公开课 - 化学原理课程节选

I have a friend who's a social psychologist who told me a story once that really made me very nervous, although she's fine.

我有一个社会心理学家朋友,她曾经给我说过一个故事,让我很紧张，虽然她现在一切都好。

耶鲁公开课 - 心理学导论课程节选