sì​dà​jiē​kōng

detached

四大皆空 sì​dà​jiē​kōng
detached expression
to be completely free from all worldly desires and emotional attachments; viewing the material world as an illusion
emptiness idiom
the Buddhist teaching that the four physical elements (earth, water, fire, and wind) constituting the universe are empty of permanent essence

Frequency

Written text
0.361 per million

Sources

Definitions
CC-CEDICT
Frequency data
BCC Corpus (BLCU)