ability的形容詞形式未能無法

　　I've never been able to work her out.

　　我從未能摸準她的秉性。

　　You need to be able to work as part of a team.

　　你必須能作為團隊的一員去工作。

　　They were able to come and go at will.

　　他們能夠來去自由。

　　They were able to achieve a settlement without using military force.

　　他們沒有訴諸武力就解決了問題。

　　You need to be able to handle pressure in this job.

　　你要能應付這一工作的壓力。