able

able, capable, competent

这些形容词均含有“有能力的，能干的”之意
able: 最常用词，多用于褒义，着重指多方面的，经常性的，或潜在性的能力。有时也指高超、非凡的能力。
capable: 语气弱于able，指有能力、有潜力或有条件做某事，常与of连用。
competent: 强调具有能胜任某项工作的足够技能或其它所需的条件。

形容词 able:

1. (usually followed by `to') having the necessary means or skill or know-how or authority to do something
2. have the skills and qualifications to do things well
   同义词：capable
3. having inherent physical or mental ability or capacity
4. having a strong healthy body
   同义词：able-bodied

1. Free will makes us able to choose our way of life.
   自由的意志使我们可以选择自己的生活方式。
2. By no means was he able to handle it.
   这件事他绝对没办法处理。
3. She bet me 20 that I wouldn't be able to give up smoking.
   她和我打20英镑的赌，说我戒不了烟。
4. As I had plenty of money I was able to help her.
   我钱很宽裕，能帮助她。
5. He is an able man.
   他是一个能人。