1·However strong you are, there's always someone stronger.; For every able person there is always one still abler.
强中自有强中手， 能人背后有能人。
—— 《新英汉大辞典》
2·He be a very able person.
他是一位很能干的人。
3·He is, without a doubt, a very able person.
他毫无疑问是一个很能干的人。
4·He does not seem to be a particularly able person.
他似乎不是一个特别能干的人。
5·Therefore , everybody should do everything towards this one direction. In that way, who seek it successfully who would be able person.
所以每个人都应该朝这个方向追求，追求到的人就比较有本事。
6·When you see that the disabled can do almost everything else that an able person can, you gain a different perspective on life. So both we and the disabled benefit from scuba diving.
当你看到身障者能做正常人所能做的事，你会获得人生中不同的观点，所以我们和身障者都能从斯库巴潜水获益。
7·The better able the person is to reconstruct the perspective from which the material was encoded, the more likely that recall will be successful.
一个人重构信息资料转化方式的能力越强，这种回忆过程就越有可能成功。
8·Then the person who requested it won't be able to renew it.
这样的话，那位已经借走的人就不能再续借这样东西了。
9·The musicians were found to be able to hear the talking person more clearly.
人们发现音乐家们能够更清楚地听出说话的人。
10·Teaching another person means being able to understand the information well before saying it aloud.
教另一个人意味着在大声说出来之前就能够很好地理解信息。