For the past three years they have been leading totally separate lives.

三年来，他们完全是各过各的生活。

《牛津词典》

Do you know that butterflies live three separate lives before they become the flying insects we all know?

你知道蝴蝶在变为我们所熟悉的飞虫形态之前，经历过三种不同的形态吗？

youdao

We had been talking about splitting up since July and had been leading separate lives.

我们从七月就开始讨论分手了，从那时起我们开始分开生活。

youdao

Actors Angelina Jolie and Brad Pitt led separate lives and marriages before they became a pair in 2005.

FORBES: The World's Most Powerful Couples In 2012

These couples can gradually drift apart, carving out separate lives for themselves.

BBC: NEWS | Programmes | This World | Retired husband syndrome

The dictionary definitions of convent and monastery do not include married men and women and single persons living separate lives in separate households.

FORBES: Maryland Exempts Residence For Mormon Temple Workers As "Convent"