父子兵

fùzǐbīng ㄈㄨˋ ㄗˇ ㄅㄧㄥ

    • father and son working side by side

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
father-and-son troops
Meaning
Originally an army whose officers and soldiers were as close as father and son; now a father and son working side by side on a task. Approving.

Sources