我认为他夸大了两件事的相似之处。

I think he exaggerates the parallelism between the two cases.

《牛津词典》

但是他正在为他夸大空洞的许诺付出代价。

But he is paying a price for his inflated promises.

youdao

现在，有人说他夸大了成功的几率而其手术产生了更严重的后遗症。

Now, some are saying he exaggerated the chance of success and that the surgery left them worse off.

youdao

He probably over-judged the scale of that aristocracy.

他也许夸大了这群特权阶级的人数

耶鲁公开课 - 美国内战与重建课程节选