名 ability，capability，[物] energy，power；形 able，capable；动 can，be able to；

[例句] 对于现况的不满，不能只是抱怨，要有勇气作出改变。 If you're not satisfied with the life you're living, don't just complain. Do something about it.

[例句] 他勉强能看到柜台后面的小个子男人。 He could just about see the little man behind the counter.