She's already counting down to the big day.

她已经在对这一重大日子倒计时了。

《牛津词典》

He was fastidious in his preparation for the big day.

他认真仔细地准备着这个盛大的日子。

《牛津词典》

The big day finally arrived.

这一重大日子终于到来了。

youdao

The students, including this fourth-grader, were excited for the big day.

VOA: special.2011.07.11

You can take these big risks of time, and if at the end of the day there's nothing to detect, you still know how to build a detector.

如果最后你什么都没测到，你至少知道了,怎么造一个探测器,所以如果你们。

麻省理工公开课 - 化学原理课程节选

Wouldn't natural selection favor the people who take introductory psychology, come to my Valentine's Day lecture, listen carefully to the big three and the more interesting four, ? and then go out there and put them into practice?

自然选择会不会青睐,那些学习心理学导论，在情人节来听我讲座，专心致志听我讲影响吸引力的三大因素,和四个有趣因素，然后在生活中应用这些知识的人？

耶鲁公开课 - 心理学导论课程节选

"There's a tendency before the big day to sort of party it up, " Good said.

CNN: Biggest danger for hunters? Heart attack, not stray bullet

Voters, observers, election committees, and, of course, the police, are ready for the big day.

FORBES: While Moscow Sleeps, the Far East has Begun to Vote.

I'm definitely going to get my name on the top I wear on the big day!

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