人是鐵飯是鋼

Simplified: 人是铁饭是钢

rénshìtiěfànshìgāng ㄖㄣˊ ㄕˋ ㄊㄧㄝˇ ㄈㄢˋ ㄕˋ ㄍㄤ

    • one can't function properly on an empty stomach (idiom)
    • an empty sack cannot stand upright

Character by character

Saying俗语俗語

Proverb谚语諺語 · In everyday use

Literally
a person is iron, rice is steel
Meaning
A person needs food to keep their strength, so never skip meals. Said to urge someone to eat, especially someone busy working.

Sources