户口

population (counted as number of households for census or taxation) / registered residence / residence permit / (in Hong Kong and Macau) bank account

a household / door / family

mouth / classifier for things with mouths (people, domestic animals, cannons, wells etc) / classifier for bites or mouthfuls

household register / household registration booklet / residence certificate

household register

(Tw) household registration certificate (identity document)

PRC system of compulsory registration of households

to apply for residence / to register a birth

PRC system of compulsory registration