man [husband] and wife; a (married) couple
「a young [an old／a newly-married] couple
Mr. Yamada and his wife／Mr. and Mrs. Yamada
behave just like (a) husband and wife
They became man and wife.／They were married.
They are really a well-matched couple.
The wife has kept her maiden name.
夫婦間暴力｜domestic violence; 〔夫による〕((口)) wife-beating
夫婦げんか｜a quarrel [fight] between husband and wife; a marital quarrel
I had a fight with my husband [wife] last night.
It is unwise to interfere in a couple's marital affairs.
They 「are an ideal [get on excellently as] husband and wife.
The couple don't get along well with each other.
夫婦別姓｜having a different surname from one's spouse
夫婦茶碗｜a pair of his-and-hers teacups [rice bowls] in two sizes, the larger one for the man and the smaller for his wife