一個天南，一個地北

to live miles apart (idiom)

one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit

used in 自個兒|自个儿[zi4 ge3 r5]

(classifier used before a noun that has no specific classifier) / (bound form) individual

day / sky / heaven

surname Nan

south

-ly / structural particle: used before a verb or adjective, linking it to preceding modifying adverbial adjunct

earth / ground / field / place / land / CL:片[pian4]

north / (classical) to be defeated