一个萝卜一个坑

yī gè luó bo yī gè kēng

lit. every turnip to its hole (idiom)

fig. each person has his own position; each to his own; horses for courses; every kettle has its lid

一

yī

one

个

gè

variant of 個|个[ge4]

萝

luó

radish

卜

bo

(bound form) to divine

一

yī

one

个

gè

variant of 個|个[ge4]

坑

kēng

variant of 坑[keng1]