But it also exposed an Achilles heel.

但这也带来了一个致命弱点。

But we all have an achilles heel, and mine is facial hair.

但是我们每个人都有弱点，而我的弱点是面部长有毛发。

The thin ozone layer has proved to be an Achilles heel that may be seriously injured by apparently moderate changes in the composition of the atmosphere.

薄臭氧层已被证明是一个通过大气明显中等变化，会被严重伤害的要害。

The thin ozone layer has proved to be an Achilles heel that may be seriously injured by apparently moderate changes in the composition of the atmosphere. …

薄臭氧层已被证明是一个通过大气明显中等变化，会被严重伤害的要害。

Millions of individuals with coronary artery or valvular heart disease have been given a new chance at life by heart surgery, but the potential for neurological injury is an Achilles heel.

数百万冠心病或心脏瓣膜病患者已经可以通过接受心脏手术重获新生，但手术可能带来的神经损伤则成为其致命弱点。