It all started yesterday.

这都是昨天开始的。

youdao

So, there you have it : that's how it all started.

就这样，你瞧：这就是整个事件的起因。

《牛津词典》

It all started on 16-year-old Rick's first day at high school.

这一切都始于16岁的里克上高中的第一天。

youdao

It all started after his father decided that there was no longer enough room in east Texas for his family.

VOA: special.2009.11.28

You know it all started when I was three."

这得从我三岁时说起“

哈佛公开课 - 幸福课课程节选

I was just reading his book right now about, you know, the rise of Facebook and how it all started.

我现在正在读他的书，关于社交网络的创建和兴起。

适合创业的旧金山 - SpeakingMax英语口语达人

Yet it all started quite tamely, with Boro pretty much on top from the first whistle.

BBC: By Jonathan Stevenson

Then we had our first hit record, "One, " and it all started to change.

NPR: 'The Harder They Fall': Fame and Addiction

It all started Sunday when Dorner allegedly killed two people in Irvine, police said.

CNN: Manhunt continues for ex-police officer wanted in 3 deaths