有能力（或技能、手段、机会）的
he was able to read Greek at the age of eight.
他八岁时就能读希腊文了.
they would never be able to afford such a big house.
他们永远买不起那么大的房子.
Most children are able to walk before they are able to talk.
多数孩子在会说话前就会走路.
The patient was soon able to sit up.
病人很快就能坐起来了.
聪明能干的,有才干的
the dancers were technically very able.
这些舞蹈演员的演技十分出众.
He was acknowledged as an able statesman.
他被公认为是个有才干的政治家.
The general impression at the studio was that he was able.
在这个画室获得的总的印象是他很有才能.