词语辨析：ability, capability, capacity

ability, capability, capacity

to have ability，a particular ability，or the ability to do something，意为有能力做某事，指具有做某事所需要的技能或知识。ability常用来描述某人能做好某事。

He had remarkable ability as an administrator.

他的行政管理能力很强。

There are four main factors which determine mathematical ability.

数学能力有四大决定因素。

...the abillity to bear hardship.

……吃苦耐劳的能力。

a person's capability指某人能做多少工作及工作质量的好坏。

The director has his own ideas both of the role and of the capability of the actor.

导演不仅对演员的角色而且对他的能力都有自己的看法。

It was, in any case, beyond the capability of one man.

无论如何，这绝非一个人力所能及。

to have a particular capacity; a capacity for something 或 a capacity to do something 意为具备做某事所需的特殊品质。capacity 比 ability 正式。

...their capacity for being inspired by heroes.

……他们能感受英雄的激励。

...his capacity always to see the other person's point of view.

……他总有洞察别人观点的能力。