你什么时候开始表演独白喜剧的？

When did you start doing stand-up?

《牛津词典》

你什么时候开始搞摄影的？

When did you start taking photos?

youdao

你知道“一带一路”高峰论坛是什么时候开始的吗？

Do you know when The Belt and Road Forum began?

youdao

So I just have to see, oh, here's a D, let me keep looking, D here's an A, keep looking here's a V, here's an I, here's a D and yet, and this is one tidbit we introduced a week or so ago, how do I now know if I'm just given the address of the start of the string where the end is?

我只需要看到，哦，这里是一个D，让我接着往下看，这里是A，接着这是V，这是I，这是,然而，这是我们一周以前介绍的花絮，如果你给我一个字符串开始的地址,我怎么知道它什么时候结束？

哈佛公开课 - 计算机科学课程节选

When did you start cycling?

你什么时候开始骑自行车的？

自行车是我的朋友 - SpeakingMax英语口语达人