I have serious reservations about his ability to do the job.

　　我非常懷疑他有沒有能力勝任這項工作。

　　I can vouch for her ability to work hard.

　　我保證她能夠努力工作。

　　He has blind faith in doctors' ability to find a cure.

　　他盲目相信醫生有妙手回春的能力。

　　He has the ability to bring out the best in others.

　　他能做到揚人之長。

　　Parents must make use of their natural ability to empathize.

　　父母必須發揮其天性，設身處地從子女的角度感受。