改换家门[gǎi huàn jiā mén]
词典change the status of one's family：改换家门。
词典\u0039\u0031\u0031\u67E5\u8BE2\u00B7\u82F1\u8BED\u5355\u8BCD
词典raise the social position of one's family：改换家门。
改换家门[gǎi huàn jiā mén]
change the status of one's family; raise the social position of one's family