1610s, "unconcerned," the sense we now would ascribe to uninterested, with the sense of "impartial" going to disinteressed (c. 1600). See dis- + interest. Modern sense of disinterested is first attested 1650s. As things now stand, disinterested means "free from personal bias," while uninterested means "caring nothing for the matter in question." Related: Disinterestedly; disinterestedness.
实用例句
1. The current sole superpower is far from being a disinterested observer.
当前唯一的超级大国远不是一个公正的旁观者。来自柯林斯例句
2. Lili had clearly regained her appetite but Doran was disinterested in food.
莉莉显然已经恢复了食欲，但多兰却提不起胃口。来自柯林斯例句
3. Such benevolence, however, was not completely disinterested.
然而这样的善举并非完全出于大公无私。来自柯林斯例句
4. We had both become jaded, disinterested, and disillusioned.
