動詞 interest:

1. excite the curiosity of; engage the interest of
   同義詞：interest
2. be on the mind of
   同義詞：concern, interest, occupy, worry
3. be of importance or consequence
   同義詞：matter to, interest

形容詞 interested:

1. having or showing interest; especially curiosity or fascination or concern
2. involved in or affected by or having a claim to or share in
   同義詞：concerned

1. He is not interested in politics.
   他不喜歡政治。
2. I am very interested in Greek and Roman mythology.
   我對希臘羅馬神話非常感興趣。
3. When he became interested in model airplanes he went the whole hog.
   他對模型飛機感興趣之后就全力以赴了。
4. He is very interested in what are called popular songs.
   他對所謂的流行歌曲很感興趣。
5. Lots of times you have to pretend to join a parade in which you're not really interested in order to get where you're going.
   好多時候，為了要走到你想到的地點，你得假裝成參加那一隊你實在不感興趣的行列走。
6. I tried to tell him about it, but he just wasn't interested.
   我想把這件事告訴他，可他簡直不感興趣。

in.ter.est.ed

adj.（形容詞）
Having or showing curiosity, fascination, or concern:
有或顯出好奇，興趣或關注的：
例句：
I`m interested to hear about your family.
我很想聽聽你家的情況

Possessing a right, claim, or stake:
擁有權益，債權或股份的：
例句：
an interested party in the estate.See Usage Note at disinterested
對財產(chǎn)有所有權的一方參見 disinterested

【引伸】
in.terestedly
adv.（副詞）
in.terestedness
n.（名詞）