I hate to disappoint you, but I'm just not interested.

我不想使你扫兴，但我确实不感兴趣。

《牛津词典》

At first I thought he was shy, but then I discovered he was just not interested in other people.

起先我以为他腼腆，后来才发现他对别人没兴趣。

《牛津词典》

In fact, the book has been made into a movie, but I'm just not interested.

事实上，这本书已经被拍成电影了，但我就是不感兴趣。

youdao

But MOCA is not just interested in the past.

VOA: special.2010.03.03

I have it on reserve, but that's not required for the mid-term; it's just if you're interested in seeing it.

我将其列为推荐书目,但不作为期中考试要求,如果你们感兴趣的话可以去读一下

耶鲁公开课 - 金融市场课程节选

And I'm also really interested in literature in general not just Greek and Latin by any means.

而且我对文学很感兴趣。这种兴趣不仅仅局限于希腊和拉丁文学。

最喜欢的一门课 - SpeakingMax英语口语达人

Mostly they're just not interested -- not in the Web, e-mail, YouTube, Facebook or anything else that happens online.

CNN: Why one in five U.S. adults doesn't use the Internet

"Just not interested, " he says, leaving that role to the smooth-talking Phillips.

FORBES: Magazine Article

"When I injured myself I continued to play even though I was nowhere near fully fit and I'm just not interested in doing that again, " Henman said on his official website.

BBC: Henman takes cautious approach