虛不受補 xū bù shòu bǔ

DEFINITIONS

  1. a person who is in poor health cannot handle sth so strong as a tonic

CHARACTERS

虛 xū false, worthless; empty, hollow
不 bù
HSK 1
no, not; un-; negative prefix
受 shòu
HSK 4
receive, accept, get; bear, stand
補 bǔ mend, patch, fix, repair, restore