退兵中的队伍失去了他们的目标，更容易成为靶子，Pagonis说。

Departing troops lose their focus and become easy targets, says Pagonis.

youdao

HAART以病毒本身为靶子，与这种疗法使用的药物有所不同的是，二甲胺四环素采取的是导向目标追踪方式，调节免疫系统的主要行动者以及HIV感染目标T细胞。

Unlike the drugs used in HAART which target the virus, minocycline homes in on, and adjusts t cells, major immune system agents and targets of HIV infection.

youdao

这太不公平了。对他来说，这一直以来就是移动的靶子。靶子是我们一直想要打中的东西或是一个想要达到的目标。

It's just no fair. With him, it is always a moving target! A target is something you want to hit or a goal you want to reach.

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