yī​ge​luó​bo​yī​ge​kēng​r

each to their own

Senses

一个萝卜一个坑儿/ 一個蘿蔔一個坑兒 yī​ge​luó​bo​yī​ge​kēng​r each to their own

one person for each position; every individual has their own specific task or place; to be conscientious and meticulous in one's work

References

erhua_variant 一个萝卜一个坑/一個蘿蔔一個坑 一个萝卜一个坑儿/一個蘿蔔一個坑兒