打入十八层地狱

Traditional (Taiwan): 打入十八層地獄

dǎrùshíbācéngdìyù ㄉㄚˇ ㄖㄨˋ ㄕˊ ㄅㄚ ㄘㄥˊ ㄉㄧˋ ㄩˋ

    • to be thrown down to the lowest level of society with no hope of rising again

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
cast into the eighteenth level of hell
Meaning
To be thrown down to the lowest level of society, with no hope of rising again. Hell was believed to have eighteen levels, each worse than the last.

Sources