例句
1、I thought you guys would be happy I was interested in doing this.
原以為你們會很高興看到我對這個感興趣。
2、They need to be interested in what you're doing too.
他們也會有興趣關注你的研究。
be interested in doing sth 與 be interested to do sth 區別
區別：前者表示對做某事感興趣，后者表示很想做某事。
一、be interested in doing sth 對(做)某事感興趣
1、I’m interested in emigrating to Canada. 我對移居加拿大感興趣。
2、They are interested in learning drawing. 他們對學繪畫感興趣。
二、be interested to do sth 很想做某事
1、I’m interested to hear your opinion. 我想聽聽你的意見。
2、I’d be interested to hear your opinion about this. 我很想聽聽你對這事的意見。
3、I shall be interested to know what happens. 我很想知道情況會怎樣。