be interested in後加什麼？

Now she's a teenager, she's starting to be interested in boys.

她現在已經是個十幾歲的姑娘了，開始對男孩子感興趣。

She pretends to be interested in opera, but it's only for show.

她做出一副對歌劇感興趣的`樣子，但這不過是裝門面而已。

I thought she might be interested in Paula's proposal

我覺得她對葆拉的提議可能會感興趣。

They haven't seen each other for five years; he might not be interested in her any more.

他們已經5年沒有見面了。他或許對她不再感興趣了。

He just did his job in a matter-of-fact way and was not to be interested in gaining merit, but only in avoiding making mistakes.

他在工作上進取心不大，常常是不求有功，但求無過。