老ㄌㄠˇlǎo兄ㄒㄩㄥxiōng

  1. 稱謂：➊ ​ 兄長的自稱。《晉書·卷八五·劉毅傳》：「老兄試為卿答。」➋ ​ 朋友相稱的敬辭。宋·歐陽修〈與梅聖俞〉：「承見過仍留刺，何乃煩老兄如此？」《西遊記·第一回》：「老兄，你便同我去去。」

閩老兄
英elder brother (often used self-referentially)​, (form of address between male friends)​ old chap, buddy
法camarade, vieux frère
德Alter Freund ( wört. älterer Bruder )​ (S, vulg)​