fiftynum.五十
fifty three(=53) 五十三
fifty beats五十动
fifty-ninenum.五十九
fifty-fournum.五十四
fifty-foldadj.五十倍的adv.五十倍地
fifty-fivenum.五十五
fifty-sixthnum.第五十六
fifty-sevennum.五十七
fifty-thirdnum.第五十三
fifty-eightnum.五十八