姘居 /pīnjū/ angolul

cohabit [cohabited, cohabiting, cohabits]▼(live together as if married)
verb
[UK: kəʊ.ˈhæ.bɪt] [US: koʊ.ˈhæ.bɪt]

shack up▼(to live together, especially when unmarried)
verb