铁拳头

Traditional (Taiwan): 鐵拳頭

tiěquántou ㄊㄧㄝˇ ㄑㄩㄢˊ ˙ㄊㄡ

    • strong, powerful striking force
    • iron fist

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
iron fist
Meaning
A strong, powerful striking force, such as a crackdown. Close to English 'iron fist'.

Sources