服输 fúshū to admit defeat Definitions Defs Origin Strokes Stroke Words Sentences Sents 不服输 bùfúshū to refuse to concede defeat Unwilling to accept a loss or to give up; to have a competitive spirit.愿赌服输 yuàndǔfúshū to accept a loss gracefully If you agree to a bet or a challenge, you must be willing to accept the outcome if you lose; you bet, you pay.