Uninterested /ʌn'ɪnt(ə)rɪstɪd/ is an adjective. It means inattentive or unconcerned.
是一个形容词。意思是不感兴趣的或不关心的。
Paul, I am quickly becoming uninterested in your ideas.
保罗，我很快就对你的想法不感兴趣了。
(Paul's ideas arouse no interest.)
保罗的想法没有引起人们的兴趣。
I used to collect stamps, but I am uninterested these days.
我过去常集邮，但现在我不感兴趣了。
(I find it boring these days.)
这些天，我觉得集邮很无聊。
Disinterested /dɪs'ɪnt(ə)rɪstɪd/ is also an adjective. Its noun form is disinterest. Disinterested means not taking sides or impartial. It is usually used to describe a person with no personal benefit at stake.
Disinterested也是一个形容词，它的名词形式是disinterest。Disinterested意为不偏袒任何一方或不偏不倚。它通常用来描述与个人利益无关。
We are struggling to identify twelve disinterested people for the jury.
我们正在努力为陪审团确定12名公正无私的人。
The referee was not disinterested in the outcome of the match.
裁判在比赛的结果上并不公正。
(The referee had a personal interest in one particular side winning.)
比赛中某一方的输赢与裁判个人有利益关系。
我们通常会因为
dis-与un-
同时都为否定前缀
而混淆了这两个词，
而实际上这两个词意思完全不同。
uninterested是
不感兴趣的;不关心的;淡漠的
disinterested是
公正的,无私的,不偏袒的
