able本身作形容词。able的名词ability。
ableadj.能；能够；有才智的；
abilityn.能力；才能；本领
I try to do my job to the best of my ability.
我尽全力做好我的工作。
His linguistic ability served him well in his chosen profession.
他的语言能力对他所选择的职业大有帮助。
You need to be able to work as part of a team.
你必须能作为团队的一员去工作。
