She was completely infatuated with him.

她完全迷恋上了他。

《牛津词典》

He was utterly infatuated with her.

他完全被她迷住了。

《柯林斯英汉双解大词典》

This girl is such infatuated with new moppet, clinging to it day and night.

这个女孩对她的新娃娃如此着迷，她日日夜夜地抱着它。

youdao

Why is everyone infatuated with Lindsay Lohan when she seems like a spoiled brat?

WSJ: Ref's death a consequence of lack of sportsmanship

Investors who are still infatuated with Rupert Murdoch and his majority owned News Corp.

FORBES: Why Investors Should Bail Out Of Murdoch's News Corp. Stock

That data has revealed that Netflix users are infatuated with television, and particularly binge-watching series.

WSJ: The Business of Being Netflix | What's News