泣なく子こも黙だまる

expression, noun-modifying (irregular)

intimidating enough to silence a crying child

Idiomatic phrase describing someone or something so formidable, authoritative, or frightening that even a crying child would fall silent. Often used hyperbolically.

• 彼かれは泣なく子こも黙だまる鬼おにコーチだ。

  He is a coach so strict that even a crying child would fall silent.

• あの先せん生せいは泣なく子こも黙だまる怖こわさで有ゆう名めいだ。

  That teacher is famous for being intimidating enough to silence a crying child.