你注意到了这一点是够机灵的。 It was very sharp of you to have noticed that.
这个男孩非常机灵,是我最好的徒弟—任何东西我只需教他一遍就行了。 He's as clever as paint, that boy, and the best apprentice I ever had—I never had to show or tell him anything more than once.
他是个小机灵鬼。 He is a smart boy.
他长得帅,人又机灵,并且是一位运动健将。 He is handsome and smart, not to mention being a good athlete.
睿智与机灵不同,前者可随着年龄增加。 Sagacity, unlike cleverness, may increase with age.