This could be the start of something big.

这或许是要有大事的苗头。

《牛津词典》

Scientists believe they are onto something big.

科学家相信，他们将会有重大发现。

《牛津词典》

Day by day, people began to realize that something big was happening on the lonely road.

一天天过去，人们开始意识到在这条孤独的道路上正在发生着一件大事。

youdao

This week,we will tell about evidence that something big struck the planet Jupiter.

VOA: special.2009.08.25

And actually, a question that might come up, I just explained, the sodium channel, you might say, well, how do potassium channels work then, because I can understand how you can filter something big out, but how do you filter out something small.

实际上，可能大家会问一个问题，我刚解释过，钠离子通道，你可以说，好吧，那么钾离子通道该如何起作用呢，因为我可以理解你是如何把大东西过滤掉的，但是你如何把小东西过滤掉呢？

麻省理工公开课 - 化学原理课程节选

The trouble is, you just don't know when that explosion took place, and since there are several periods in this general area that we're talking about now, in which something big happened, some great change takes place, it turns out different people want to have their explosion at different times.

问题是,你不了解火山爆发的,确切时间以及这种爆发,在这个区域又延续了很多个时期,这些时期发生了许多重大事件和重大变化,结果就是不同人对,火山爆发的时间推测各不相同

耶鲁公开课 - 古希腊历史简介课程节选

Three years after starting Sodexho as a defensive play, Bellon realized he was on to something big.

FORBES: At your service

"Financially a win would mean the start of something big at the Supermarine, " said Collier.

BBC: Swindon Supermarine eye FA Cup upset against Bath City

On the one hand, this recent bullish move could be the start of something big.

FORBES: How To Play Overbought Equity Markets