ㄒㄧㄤㄐㄧㄥˋㄖㄨˊㄅㄧㄣxiāngjìng‑rúbīn

相敬如宾
  1. 形容夫妻互相尊敬如同對待貴客一樣 老夫一生相敬如賓」。

to treat each other as an honored guest (idiom)​, mutual respect between husband and wife
s. gegenseitig mit Respekt behandeln (V)​