得力的英文：
able
competent

参考例句：

"Are your horse's forelegs good?"
“您的马的前腿得力吗？”

Mounted his trusty steed
骑上他那匹得力的马

They have not been sufficiently vigilant against corruption and have not taken effective measures to stop it.
对腐败现象警惕不足，纠正的措施也不得力。

Louise has been working under me for two years and is among my most valuable employees.
路易斯在我手下工作已有两年了，是我的得力干将。

Both Henry and Bill Ford knew jerry was a prize
亨利和比尔?福特知道杰里是个得力的人才。

He was an honest, sober, and efficient member, and nothing particular could be alleged against him
他是个忠实、严肃而得力的信徒，而且平日为人无懈可击。

Promising newcomers have stepped forth to become able successors to the older generation.
涌现一些有培养前途的新手来成为老一辈的得力接班人。

able是什么意思：
modal v. 能
adj. 有能力的，有才干的

Be cut out to be; be able to become
适合担任

He is an able lawyer.
他是一位能干的律师。

Are you able to use the digital positioner?
你会用数字式定位器吗？

You will be able to see the contents of that module.
您将能够看到该模块的内容。

The pilot was able to parachute to safety.
飞行员得以安全跳伞。

competent是什么意思：
adj. 能胜任的；有效的；；有法定资格的；适当的

Stylistic competence is regarded as one of the component competences of communicative competence.
语体能力被看作是交际能力的一个重要组成部分。

She has a competent knowledge of law.
她对法律的足够了解。

He competed in a wheelchair.
他是坐在轮椅上参加的比赛。

The court is not competent to try the case .
该法院没有审理该案的资格。

He has a competent knowledge of English.
他有足够的英语知识。