四大皆空 sì dà jiē kōng 🔊 lit. the four elements are vanity (idiom) + Keep this word Meanings sì dà jiē kōng lit. the four elements are vanity (idiom)this world is an illusion Its characters 四sìfourHSK 1大dàbig; old (in age)HSK 1皆jiēallHSK 7–9空kōngemptyHSK 4