He hit me, so I hit him back–the first time in my life I'd stood up to him.

他打了我，我就还手打了他–这是我生平第一次反抗他。

《柯林斯英汉双解大词典》

It was the first time in my life I had touched a wild animal.

这是我有生以来第一次接触野生动物。

youdao

When I was 16, I took a part-time job for the first time in my life.

我16岁的时候，有生以来第一次做了一份兼职工作。

youdao

I did not know I can win that race, but from the first time in my life the experience, the world championships,the seniors, I could not believe it,".

VOA: standard.2009.08.25

And that for the first time in my life time and really the worst time in American history, re more than disliked in the world.

我有生以来第一次,这同时也是美国有史以来最糟糕的一次，全世界不仅仅是不喜欢我们，We’

普林斯顿公开课 - 国际座谈会课程节选

"I feel so strongly that this country is headed, fiscally,in a horrible direction, and for the first time in my adult life, we have a Congress that will not listen to the people, and we are fed up and we want them to listen to us."

VOA: standard.2010.03.16

Not for the first time in my life, I have been badly beaten and hurt.

BBC: News | UK Politics | Ron Davies's speech in full

For the first time in my life I heard my grandfather curse and speak openly about sex.

NPR: Excerpt: 'City of Thieves'

It felt as though I were watching that classic dance for the first time in my life.

WSJ: Theatergoers: Can I Get an Amen? | Sightings by Terry Teachout