loving couple; happily married couple
Refers to a married couple who are very close and always together, like a pair of mandarin ducks (おしどり). Often used as a compliment or ideal.
Those two are really a loving couple, aren't they?
They are always together, just like a happily married couple.
おしどり refers to the mandarin duck, a symbol of marital harmony. おしどり夫婦 uses this imagery to describe a couple.
仲良し夫婦 is a more general term for a couple that gets along well, without the poetic nuance of being inseparable like mandarin ducks.
Standard mixed kana-kanji spelling; the most common written form.
Full kanji spelling using 鴛鴦 for おしどり; rarely used and may not be recognized by all readers.
From おしどり (mandarin duck, a symbol of conjugal fidelity) + 夫婦 (married couple). The phrase likens a devoted couple to a pair of mandarin ducks, which are believed to mate for life.