She is not so weak as she looks.

她并不像看上去那么虚弱。

《新英汉大辞典》

So weak does the body's immune system become that the person often becomes very ill from usually mild sicknesses.

身体的免疫系统变得如此脆弱，以至于人们经常因为轻微的疾病而变得非常虚弱。

youdao

The commission remains so weak that it will continue to avoid confrontation with governments.

该委员会依然如此弱小以致它将继续避免和各政府的冲突。

《柯林斯英汉双解大词典》

"We are surrounded by countries with very tough laws, while we are very weak, so it is not surprising while many terrorists from other countries found their hotbed in Indonesia,".

VOA: standard.2009.09.10

So what we see is a bond order of 0, and again, the bond is very, very weak.

我们看到键序是0，同样的，键非常非常的弱。

麻省理工公开课 - 化学原理课程节选

All right, so that's a weak argument, but in fact, it's a way of suggesting, probably not.

这是一种提议，可能是错的，好了，那我们对一个列表。

麻省理工公开课 - 计算机科学及编程导论课程节选

The children were so weak they couldn't cope when a tiny drop in the temperature came after sunset.

BBC: [an error occurred while processing this directive]

If all this is so brilliant, you may say, why is the economy still so weak?

ECONOMIST: German companies

He was so weak at this stage, that he died less than twenty-four hours after his transfer.

FORBES: When the Cure Doesn't Arrive in Time