護犢子

Simplified: 护犊子

hùdúzi ㄏㄨˋ ㄉㄨˊ ˙ㄗ

    • to be fiercely protective of one's children

      of a woman

Character by character

Saying俗语俗語

Idiom惯用语 · In everyday use

Literally
protect the calf
Meaning
To shield one's own child (or one's own people) even when they are in the wrong. Often mildly critical.

Sources