This is the greatest day of my life.

这是我生命中最棒的一天！

youdao

This is not the greatest day of his life.

这可绝不会是它一生中最开心的一天。

youdao

This is the greatest day in kungfu history! Just go!

今天是功夫史上最伟大的一天，(别操心付账了)快去吧！

youdao

"Very disappointing game. At the end of the day, they are not the greatest side in the world and we struggled to even beat them."

VOA: standard.2010.06.13

He had a reasonable qualifying run but a practice accident on Friday wasn't his greatest day, and nor was Sunday.

CNN: Hamilton rises above Bahrain nightmare

Mowden Park chairman and director of rugby John Parkinson, who hailed the club's 23-11 fourth-round victory over Rosslyn Park as "the greatest day in the club's history", was in resigned mood after the draw.

BBC: Minnows face mighty Quins

"Mr. Clemens's greatest adversary that day four years ago was Roger Clemens himself, " Mr. Durham said.

WSJ: Pitching Great Wove Web Of Lies, Prosecutors Argue