Her vision (视力) problems were so serious that she became blind in the end.

她的视力问题非常严重，最后还是失明了。

youdao

Many years ago, the problem was nor so serious because there were not so many people.

许多年前，由于没有那么多人，这个问题也没有那么严重。

youdao

youdao

It can be any kind of trouble--serious, and not so serious.

VOA: special.2009.05.10

The harm shouldn't be so serious that it elicits strong negative emotions like fear, grief or pity.

但这种伤害不会很严重,不会造成消极情绪，如恐惧，悲伤或怜悯。

耶鲁公开课 - 心理学导论课程节选

You turned so serious when the corpse was carried past us; are you afraid of death?

尸体被运送经过我们时，你是那么严肃;,你害怕死亡吗？

耶鲁公开课 - 死亡课程节选

So serious was her crime that it required 14 policemen in two vans to arrest her.

UNESCO: Of T-shirts and a vegan commemoration��

The first, a complete discharge, could not be considered because their acts were so serious.

BBC: Northern Ireland

This is so serious that the authorities have twice considered rediverting a river into the lagoon.

ECONOMIST: Flood barriers