演员们都很有名气，而且这是我第一次在真正的剧院里演出。

The actors were famous, and besides it was my first time in a real theatre.

youdao

我第一次和他共事是在1971年，当时我们都处在职业生涯的起步阶段。

I first worked with him in 1971 when we were both on the lowest rung of our careers.

《柯林斯英汉双解大词典》

我第一次遇见8岁的凯蒂是在一个下雨的下午。

I first met 8-year-old Katy on a rainy afternoon.

youdao

So now, the enzyme is locked up with being built, and the penicillin has effectively killed the bacteria.

所以这是我第一次感受到,我想在单个原子的层面上思考这些分子,所以这时我的专业转到了化学方向。

麻省理工公开课 - 化学原理课程节选

I remember my first exposure way back in the 60s was a photo of the Biafra famine you remember in the civil war in Nigeria.

我记得我第一次感受到贫困，是在60年代,那是一张关于尼日利亚饥荒的照片,你应该记得，是尼日利亚内战期间。

普林斯顿公开课 - 人性课程节选

Because that for the first time, I kind of looked up and just like, wow, you know I have a team of engineers here and like a lot of smart people who can start building a lot of stuff in a different way that is currently being done.

因为我第一次经历这些，当我抬起头，看到一群聪明人在为我工作,他们正用独特的方式,创造新的事物，我顿时感到十分自豪。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选