He was passionately in love with her.

他热恋着她。

《柯林斯英汉双解大词典》

We hear that you're passionately in love, with whom?

听说你最近跟人谈恋爱，是谁呢？

youdao

Because the truth is, I am madly, truly, deeply, passionately in love with you.

因为说真的，我是如此疯狂的，真实的，深沉的，强烈的爱着你！

youdao

Greek novels usually were about a man and a woman, young,rich,who see each other and fall madly in love and passionately want one another.

希腊小说通常是关于男人与女人，年轻，富有，一见钟情,渴望对方。

耶鲁公开课 - 新约课程节选

But in a nation newly exposed to and passionately in love with the idea of choice, that kind of McReligion is falling flat.

CNN: ASIANOW - TIME Asia | China: Inside China's Search for Its Soul