赔老本

Traditional (Taiwan): 賠老本

péilǎoběn ㄆㄟˊ ㄌㄠˇ ㄅㄣˇ

    • to suffer very heavy losses
    • to lose one's shirt

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
to lose one's original capital
Meaning
To suffer very heavy losses, even losing one's basic stake. Compare 'lose one's shirt'.

Sources