Once again I breathed as a free man.

我又能像个自由人一样呼吸了。

《新英汉大辞典》

Once again I went over exactly what I needed to say before I mounted the platform and gave my speech.

在走上讲台进行演讲之前， 我把我要说的话又一字不差地重复了一遍。

youdao

So once again I missed the boat.

所以，我又一次失去了一个好机会。

youdao

"Once again I want to warn everybody, especially in Mexico, if you want to come to America through Maricopa County, we are going to have enough fire power to react to any assaults on our deputy sheriffs."

VOA: standard.2010.07.20

Once again I wouldn't be teaching this class, if I didn't change is possible.

如果我认为没有改变的可能，就不会教这节课。

哈佛公开课 - 幸福课课程节选

All right, so here once again is our same matrix with me and my pair, choosing actions Alpha and Beta, but this time I'm going to put numbers in here.

我们首先讨论我和我对手,选择α或β的矩阵,不过这次我们用数字来表述

耶鲁公开课 - 博弈论课程节选

So once again I find myself saying, and probably not for the last time: You stay classy, NBC.

FORBES: The most expensive comedy bit ever?

Once again I joined over 110 million Americans in watching that great January sports spectacle, The Super Bowl.

FORBES: 2013 Super Bowl Review: Ahead of the Curve Now Wins

And I realized once again I had gotten hopeful about rhetoric and Democratic Senators sitting next to Republican Senators.

FORBES: State Of The Union Won't Help State Of The Market