I've not seen thee before today.

我今天以前没见过你。

youdao

I certainly didn't know this credit card scam existed before today.

在今天之前，我对这种信用卡诈骗就一无所知。

youdao

He admitted that he was not familiar with Ostrom's work before today, but now understood why she had won.

他承认，在今天之前，他对奥斯特罗姆的研究成果不熟悉，但现在明白她为什么赢得这项荣誉了。

youdao

For each country, researchers estimated the probability that a fifteen-year-old today will die an early death before the age of sixty.

VOA: special.2010.05.05

All right. So before we start in with today's notes, I do want to mention that this morning the Nobel Prize in chemistry was announced.

好的，在开始今天的课之前，我要说一下今天早上,公布了诺贝尔化学奖。

麻省理工公开课 - 化学原理课程节选

And they'll talk a little bit about-- for 15 minutes-- about the masters, before we jump into our material today, which hopefully will be exciting.

他们会简单介绍一下-,利用15分钟时间，介绍一下硕士课程，然后再开始今天的课程，希望让人兴奋。

哈佛公开课 - 幸福课课程节选

Before today, the last impressively destructive impact was in 1908, and coincidentally also in Siberia.

FORBES: What Can NASA Do To Stop An Asteroid From Hitting Earth?

Before today, customers had to worry whether the Bloom boxes would last a long time.

FORBES: Bloom Energy's New Pay-For-Power Plan Opens Big Markets

Giacomo had lost all three of his races this year before today's triumph for jockey Mike Smith.

NPR: The Science of Naming a Racehorse