a.  能；能够

a.  聪明能干的，能力出众的

• ability

  n.  能力，能够

  n.  才能；本领；技能

• be able to do sth

  有能力做某事，会做某事；可以去做某事

• high/low/average ability  高/低/中等能力

• have / lack / lose the ability to do sth / lack of ability 有/缺乏/失去能力做某事

• within one’s ability range 能力范围之内

• beyond the limits of their ability 

  超出能力之限

• ability to socialize  社交能力

• leadership / teaching / unusual / rare / special / test-taking / natural abilities 

  领导/教学/非同寻常/应对考试的能力/本能

• determines / improve / overestimate / underestimate / prevent one's abilities 

  决定/提高/高估/低估/阻止一个人的能力

• one of my more able students

  我班上能力比较强的学生之一

• I’d like to do more gardening, but I never seem able to find the time.

  我想多干点园艺活，可似乎总是抽不出时间。

• There is a wide range of ability within the class. 班里的学生能力差距悬殊。

• He was a young man of great ability.

  他是个很有才华的年轻人。

• The test measures your mathematical ability. 这种测试考查的是数学能力。

• Almost all companies recognize the importance of innovation today, but not many are able to integrate innovation into their business. 将创新融入到业务中去

• Advances in AI will make human beings smarter, more able and “just better human beings”. 使人类更有能力……

• C) Acquiring the necessary ability to socialize. 社交技能

• It trains young people's leadership abilities.  领导能力

• If the law isn't there, people will drive within their ability range. 能力范围之内

• What does the author think of teaching ability?  教学能力

• Another group of helpless children who were simply rewarded for their success on easier problems did not improve their ability to solve hard math problems. 提高能力

• Mistakes crack their self-confidence because they attribute errors to a lack of ability, which they feel powerless to change. 缺乏能力

• John Nielsen, AAA's managing director of automotive engineering and repair, said tests suggest drivers may be overestimating their own abilities. 高估他们的能力

• While it may sound like an advantage to many, people with this rare condition often find their unusual / rare ability burdensome. 非同寻常的能力

• How students ultimately handle tests may depend on their personal test-taking abilities. 应对考试的能力

• D) They tend to push themselves beyond the limits of their ability. 超出能力极限

BrE /ˈeɪbl/   

NAmE /ˈeɪbl/