山南海北指遥远的地方。例山南海北到处都有勘探队员的足迹。英all over the land; far and wide as south of the mountains and norths of the seas;比喻说话乱扯一气没有个中心。例两人山南海北谈了半天。英talk about this and that;
海北天南一个在天南,一个在海北,形容相距极远。也作“天南海北”。也形容地区各不相同。例昔年意气结群英几度朝回一字行。海北天南零落尽两人相见洛阳城。——唐刘禹锡《洛中逢韩七中丞之吴兴口号五首》英faraway,distance from north sea to south sky;