We can prevent this silent killer.

我们可以预防这个无声的杀手。

So, for symptoms, usually primary hypertension isn't actually accompanied by any symptoms, which is why it's sometimes referred to as a " silent killer" .

就症状而言，原发性高血压并不伴有其他的症状，这也是它之所以被视为“沉默的杀手”的原因。