interested in doing sth與interested to do sth

■ 表示做某件事情的愿望，雖然通常譯為對做某事感興趣，但其實是指有意做某事、希望做某事或想做某事，此時通常后接in doing sth。如：

Are you interested in going with us? 你有興趣和我們一道去嗎?

They all are just interested in making money. 他們個個只對賺錢感興趣。

Anyone interested in joining the club should contact us at the address below. 有意加入俱樂部者請按下面的地址和我們聯系。

■ 表示對得知的情況作出的臨時反應，其后通常后接to do sth。如：

I was interested to read in the paper that scientists have found out how to talk to whales. 我從報紙上看到，科學家已發現如何與鯨魚談話，我很感興趣。

I’m interested to see that Alice and Jake are going out together. 看到艾麗絲和杰克在談戀愛，我很感興趣。

■ 表示希望了解情況或獲得信息，其后既可接in doing sth，也可接to do sth。如：

I’m interested to hear your opinion. 我想聽聽你的意見。

I shall be interested to know what happens. 我很想知道情況會怎樣。

I’m interested in finding out [to find] out what she did with all that money. 我很想弄清楚那筆錢她是怎么花的。

——摘自《中學英語高頻詞詳解詞典》（金盾出版社）