have / develop an interest in

对…产生兴趣

show / lose interest in

对…表现出/失去兴趣

He took an interest in sports.

他对体育运动感兴趣。

His books are of no interest to me at all.

我对他的书毫无兴趣。

There are many places of interest in the city of Rome.

罗马城有很多名胜古迹。

His two great interests in life are music and chess.

他生活中的两大乐趣是听音乐和下国际象棋。

interest rates

(银行贷款或存款的)利率

Make decisions in the best interests of (= be the best thing for) their own.

作对他们最有利的决定。

Here's an article which might interest you.

这里有篇文章，也许你会感兴趣。