I'll say 'One, two, three, go!' as a signal for you to start.

我喊“一、二、三，开始！”作为你开始的信号。

《牛津词典》

I was one girl among three boys, and when I resisted hiding, my two brothers and my parents insisted that I go.

我们家有三个男孩，我是唯一的女孩。我拒绝躲藏，我的两个哥哥和父母却一致坚持。

youdao

That's fine, just go into the shop, buy one and enjoy it. Don't go in and buy three truffles, a peanut butter cup and two caramel and pecan turtles.

进店买一块就好，千万别顺带着买了三块，加上奶油花生杯甚至两块焦糖和胡桃巧克力。

youdao

Then Smiley says,"One-two-three-go!"

VOA: special.2009.08.29

Here we go. One, two, three, four, one, two, three, four, nice and loud. Come on. I want to hear it.

来,一二三四,一二三四,大点声,让我能听见

耶鲁公开课 - 聆听音乐课程节选

So, let's go and put the one, two, three, four, five, six here.

因此，我们继续,一共1，2，3，4，5，6个电子。

麻省理工公开课 - 固态化学导论课程节选

It was the "Five, four, three, two, one, Thunderbirds are go, " for the opening sequence of the TV series.

BBC: Quiz of the week's news

What accountability measures are in place when you have one, two, three or four children leaving that school to go to a better school?

WHITEHOUSE: Press Briefing

Ms Rousseff announced that from early next year two taxes will go altogether and a third one will be slashed by three-quarters.

ECONOMIST: The president cuts taxes again