孝思不匮 xiào sī bù kuì

DEFINITIONS

  1. to be forever filial (idiom)

CHARACTERS

孝 xiào
HSK 5
filial piety, obedience; mourning
思 sī
HSK 2
think, consider, ponder; final particle
不 bù
HSK 1
no, not; un-; negative prefix
匮 kuì to lack