2022英語四級語法詞匯辨析：be interested doing/to do

interested to do　　 對做某事感興趣，想了解某事。
interested in doing　 對某種想法感興趣，doing 通常為想法。
I shall be interested to know what happens.
我很想知道發(fā)生了什么事。 (想了解)
I'm interested in working in Switzerland. Do you have any idea about that?
我對在瑞士工作感興趣。你想過這事嗎?　 (一種想法)