- the families are well-matched in terms of social status (idiom)
- (of a prospective marriage partner) an appropriate match
“well-matched - of a matrimonial alliance; be well-matched in social and economic status (for marriage)”
旧时指男女双方的社会地位和经济情况相当，结亲很适合。
出处 元·王实甫《西厢记》第二本第一折：“虽然不是门当户对，也强如陷于贼中。”
示例 我想他两家也就算～了，一说去，自然成的；谁知他这会子来了，说不中用。（清·曹雪芹《红楼梦》第七十二回）