jí​xí

impromptu

即席 jí​xí
impromptu adverb
done or said without previous preparation; improvised
take one's seat verb
to take one's place at a banquet, meeting, or designated table

Frequency

Movie subtitles
0.510 per million appears in 0% of films
Written text
0.401 per million

Sources

Definitions
CC-CEDICT