1、By that time I had lost interest in the idea.

　　那時我已經對此想法失去興趣了。

　　2、She took no interest in the people and things around her.

　　她對周圍的人和事毫無興趣。

　　3、Just out of interest, how much did it cost?

　　我只是好奇問問，這個花了你多少錢？

　　4、Could I interest you in this model, Sir?

　　先生，請你瞧瞧這個型號好嗎？

　　5、These reforms were in the best interests of local government.

　　這些改革對地方政府最有利。