空洞無物 kōng dòng wú wù

DEFINITIONS

  1. empty cave, nothing there (idiom); devoid of substance
  2. nothing new to show

CHARACTERS

空 kōng
HSK 3
empty, hollow, bare, deserted
洞 dòng
HSK 5
cave, grotto; ravine; hole
無 wú negative, no, not; lack, have no
物 wù
HSK 3
thing, substance, creature