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》

Weak as he seemed, he went straight into the sea with no hesitation.

虽然他看上去很虚弱，但他还是毫不犹豫地径直朝大海走去。

youdao

A surge in new home sales and a drop in weekly unemployment claims suggest that the economy might not be as weak as some analysts previously thought.

新屋销售激增和每周失业救济人数下降表明，经济可能不像一些分析师此前预期的那样疲软。

youdao

They say football players might be seen as "weak" if they talk about their depression with a male trainer.

VOA: special.2010.07.15

A captain,of all things! Who could have dreamed that they would place such a responsibility on such weak shoulders as his.

VOA: special.2010.03.27

A captain, of all things! Who could have dreamed that they would place such a responsibility on such weak shoulders as his.

VOA: special.2009.01.03

And taking a long-term view, the euro is not as weak as it seems.

BBC: The euro: Still in the doldrums

The dollar was, ehe, weak, but not as weak as it would be years later.

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Even if housing stabilises, consumer spending will stay weak as households pay down debt.

ECONOMIST: World economy