☉ 山南海北 【shānnánhǎiběi】
　　[ all over the land far and wide as south of the mountains and norths of the seas ] 指遥远的地方。
　　例： 山南海北，到处都有勘探队员的足迹
　　[ talk about this and that ] 比喻说话乱扯一气，没有个中心。
　　例： 两人山南海北谈了半天