live under one roof meaning in Chinese

生活在同一屋檐下

Four generations live under one roof .
四世同堂。
Since we all live under one roof , we should learn how to get along with one another
既然我们都住在同一个屋檐下，我们应该要学习如何彼此相处。
" in case there are more than one household living under one roof , each household should complete a separate questionnaire . additional questionnaires are available from the visiting census officer , " he added
他补充说：若同一单位内有多过一个住户，则每个住户应各自填写一份问卷。