They fell in love with each other.

他们彼此相爱了。

《牛津词典》

When they listened, they fell in love with these beautiful voices at once.

他们一听，立刻喜欢上了这些动听的声音。

youdao

Tom met Mary at a party, and they fell in love at first sight.

汤姆在一次聚会上遇到玛丽，两人一见钟情。

《新英汉大辞典》

But soon, they fell in love with the powerful voice of Celia Cruz.

VOA: special.2009.04.19

A boy and a girl fell in love from the wrong sides of the tracks The families were upset so they tossed the boy and the girl into two different constellations, thinking that they would never meet again.

男孩爱上了本不该相爱的女孩,双方家庭很生气，所以他们把,这对恋人分开到两个不同星座上，认为这样他们就不会再见面了。

麻省理工公开课 - 媒体、教育、市场课程节选

When he was shipwrecked on the island in which the goddess Calypso ruled,she fell in love with Odysseus, just as the fate of great heroes-- they are heroic and handsome, and fast and women love them.

有一次他的船,在海之女神卡吕普索的小岛附近搁浅,女神爱上了奥德修斯,像其他大英雄一样,他威风凛凛,英俊潇洒,迷倒万千女性

耶鲁公开课 - 古希腊历史简介课程节选

They fell in love, and finally decided to meet face to face in Moscow.

CNN: Apparently This Matters: Face tattoos

They fell in love with the place as he was preparing to retire from Home Depot.

FORBES: True West

They fell in love, moved to Hong Kong and began working on action movies.

FORBES: Hollywood's Mr China: Dan Mintz, DMG