It is easy to teach smart students.

教聪明伶俐的学生很轻松。

Jack is a clever student.

杰克是个聪明伶俐的学生。

' 'Yes, Laurie, you go and play with her,' said Kang Xi, who had always had a soft spot for his tomboyish sister and didn't like to disappoint her.'We can continue our discussion tomorrow.

康熙向来对这活泼伶俐的妹子很是欢，太她，：“小桂子，你去陪公主玩玩，明日再来侍候。”