我下定决心了，。先生。这是我的辞职信。

I've made a tough decision, Sir. Here's my resignation.

youdao

一个月后我下定决心了，告诉比尔我要离开，会斯坦福继续念书。

After a month I agreed with them, I told Bill I'm quitting, going back to Stanford.

youdao

我下定决心要在大学里好好表现，我想我得快点长大了。

I'm determined to do well at the university and I guess I'm going to have to grow up fast.

youdao

After a month I agreed with them, I told Bill I'm quitting, going back to Stanford.

一个月后我下定决心了，告诉比尔我要离开，会斯坦福继续念书。

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选

It was really easy for me to just say "Yes, definitely".

我很容易地就下定了决心，“就是耶鲁大学了”。

耶鲁奖学金获得者 - SpeakingMax英语口语达人