祝福五十岁夫妻的感情，可以使用以下一些表达：Congratulations on your 50th wedding anniversary! May your love continue to grow stronger with each passing year.（祝贺你们结婚50周年！愿你们的爱随着岁月的流逝越来越坚固。）Wishing you both a happy 50th anniversary and many more years of love and togetherness.（祝你们50周年纪念日快乐，愿你们共同分享更多的爱与幸福。）Happy 50th anniversary to a couple who has stood the test of time and proved that true love knows no bounds.（祝一对经受住时间考验、证明了真爱无界限的夫妻50周年纪念日快乐。）Fifty years of marriage is a remarkable achievement, and I wish you both continued happiness and love for many years to come.（50年的婚姻生活是一个了不起的成就，我祝愿你们未来的日子里继续拥有幸福和爱。）Congrats on 50 years of love and commitment! Wishing you both a memorable celebration and a future filled with more love and happiness.（恭喜你们度过了50年的爱与承诺！祝你们有个难忘的庆祝，未来充满更多的爱和幸福。）