鐵肩膀

Simplified: 铁肩膀

tiějiānbǎng ㄊㄧㄝˇ ㄐㄧㄢ ㄅㄤˇ

    • person who takes responsibility seriously and shoulders heavy burdens without shirking

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
iron shoulders
Meaning
A person who takes responsibility seriously, is willing to shoulder heavy burdens and does not shirk duty. Approving.

Sources