封笔fēngbǐ指作家、画家、书法家等不再从事创作活动{seal off one's writing or painting brush; (of a writer, painter or calligrapher) quit creative activity once and for all}: ～之作{the last piece of work; swan song}|老画家由于健康原因已正式～。{Due to poor health, the veteran painter has officially announced his retirement.}