interestingly

Interest 是名詞，意思是興趣、愛好。好比說， "Learning new languages is one of my interests" (學習外語是我的興趣/愛好之壹），壹般來說這個人已經擁有這個愛好。

Interested 是形容詞，用在形容壹個人對某個東西或某種事情感興趣。好比說， "I am interested in learning new languages" (我對學外語感興趣)，壹般是指對未來有如此打算。

Interesting 也是形容詞， 主要用在形容壹件東西或壹件事有吸引力或者很奇特。好比說，"I find foreign languages very interesting" (我覺得外語很有意思）。

Interestingly 是副詞，用法很難解釋，壹般形容壹件事出乎想象。好比說，"Math has historically been my weakest subject, but interestingly enough, I find this problem set quite fascinating."