求翻译：徐大爷一个人坐在大圆桌上，圆桌中间放着一个已经点燃蜡烛的生日蛋糕，蜡烛燃烧着，但徐大爷看上去很伤心、孤独，他一个人许着愿望，唱着生日歌，脑海里想象着家人都在给他过生日，当蜡烛快要烧完时，他才将蜡烛吹灭。是什么意思？

Xu uncle sitting in a circle on the table, the middle stood a round table candle has been lit birthday cake, candles burning, but Xu uncle looked very sad, lonely, his promise of a desire to sing the birthday song, my mind imagine him in a family birthday, when about to burn the candle when he blew

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Uncle Xu a person sits on the big round table, among the round table put one already to light the candle the birthday cake, the candle is burning, but Uncle Xu looked was very sad, is lonely, he was permitting the desire, sang the birthday song, in the mind is imagining the family members all in to

Xu you know a person sitting on the big round, round table one had to light a candle in the middle of a birthday cake, candles burning, but Xu you know look very sad, lonely, he desires alone, singing a birthday song, mind imagining family to his birthday, when a candle was burned out, he blows out

Xu you know a person sitting on the big round, round table one had to light a candle in the middle of a birthday cake, candles burning, but Xu you know look very sad, lonely, he desires alone, singing a birthday song, mind imagining family to his birthday, when a candle was burned out, he blows out