She was amazed how little he had changed.

她惊诧的是他竟然没怎么变。

《牛津词典》

He had changed his boots for a pair of Oxfords.

他已经将靴子换成了一双牛津浅帮鞋。

《柯林斯英汉双解大词典》

He also recalled the exact moment when he knew he had changed the world.

他描述了那个时刻，他发现他的发明已改变了整个世界。

youdao

After he had changed his clothes again he went outside the concert hall.

VOA: special.2009.04.04

You know, since Clinton had moved, he was here, he had his office here, Harlem changed a lot.

自从克林顿总统搬来这里，他和他的办公室都在这里，哈莱姆变了很多。

哈莱姆的变迁 - SpeakingMax英语口语达人

Boyer said he told Adrien that no matter what happened, he had changed his nation.

WSJ: Adrien Niyonshuti: A Long, Amazing Ride to the Olympics - Jason Gay

Ms. DICKINSON: ...and how strange he was, and look how much he had changed?

NPR: Help 'Ask Amy' Write A Commencement Speech

He also recalled the exact moment when he knew he had changed the world.

FORBES: You've Never Heard of Them, but They've Changed Your Life