I hope it didn't stop you dead in your tracks.

我希望它没有让你停下脚步。

Well, it's such that if you have a hole somewhere in your track the train is not going to pass that hole.

这就像如果你的学习进程中有了漏洞，火车将不会通过那个洞。

The bacteria in your gastrointestinal track will start to break down tissues and cells.

胃肠道中的细菌将开始分解组织和细胞。

So to kick us off this week, Stephen, what stopped you in your tracks?

斯蒂芬，让我们本周开始吧，是什么阻止了你的脚步？

You must often be weary with the pursuit of subjects in your own track.

你一定经常厌倦自己追求的主题。

It takes an hour or two to walk the Old City's ramparts, depending on how often you are stopped in your tracks by the views.

只消花一至两个小时即可行毕古城城墙，当然，实际需时视乎您沿途停步多久欣赏美景。

" To stop in your tracks" means to immediately stop what you are doing, to stop moving often because you are surprised or shocked.

“to stop in your tracks” 意思是立即停止你正在做的事情，经常因为你感到惊讶或震惊而停止移动。