hunts down

It is also reckoned by some, given that it hunts down and eats bacteria, to be the most abundant predator on Earth.

一些人认为它是地球数目最多的捕食性生物，因为它对细菌捉而食之。

It refers to an internet mob that hunts down real people online, then verbally abuses them and publishes the victim's private information.

这指的是那些追踪网上人物的真实情况，然后用言语对他们进行侮辱，幷公开其私人信息的网络行为。

How a secret "black" unit of special forces hunts down Taliban leaders for "kill or capture" without trial.

特种部队的一个秘密“黑色”小组，是如何在未经审判下猎杀和追捕塔利班领导人的。