But it also exposed an Achilles heel.

但这也带来了一个致命弱点。

youdao

A lone, dedicated machine providing some crucial service-say, DNS or centralized authentication-is an Achilles heel and warrants a bullpen for backup.

如果一台单独的专用机器提供某种关键服务，比如dns或集中的身份验证，它就是致命的弱点，必须为它提供充足的备用硬件。

youdao

Arrogant people always have an Achilles heel, but this they do not want exposed or known by people. Thus they use an invincible front to protect their vulnerabilities.

傲慢自大的人总是有一个致命的弱点，但是他们不想暴露，不想被人知道。因此他们使用坚不可摧的面具来保护自己的弱点。

youdao

He says their research has identified an "Achilles' heel" of the parasite - an enzyme that is needed for the parasite's survival.

VOA: standard.2010.04.05

If the new pension regime has an Achilles heel, it is the state-owned institutions still associated with it.

ECONOMIST: Economic and social reforms remain incomplete

But the revolution in military robotics does have an Achilles heel, notes Emmanuel Goffi of the French air-force academy in Salon-de-Provence.

ECONOMIST: Robots go to war

The ease of these attacks reinforces the extent to which fuel remains an Achilles heel for the U.S. efforts in the region.

FORBES: Significance Of Attacks On Pakistan Oil Convoys