an arrangement in which two or more people live in the same flat or apartment and share the cost

They lived in a flatshare together. 他们一起合租在一套公寓里。

She entered into a flatshare with her workmate. 她跟同事合租了一套公寓。

to live in the same flat or apartment with someone and share the cost

I'm living with my parents at the moment but I hope to flatshare. 我现在和父母住在一起，但我希望搬出去跟人合租一套公寓。

She flatshares with some friends from college. 她和大学里的几个朋友一起合租公寓。