John can track the man with the tremors.

约翰可以去找那个颤抖的人。

And what if you track down these men and kill them?

如果你查获这些，杀了他们呢？

Researchers tracked 19,000 men and women living in southern Italy during a four-year interval.

研究人员对居住在意大利南部的1.9万名男女进行了为期四年的跟踪调查。

Get your life on track man.

让你的生活走上正轨吧伙计。

We used credit-card records to track this man down.

我们用信用卡记录追查到这个男人。