Many a slip (many things fall) between the cup and the lip.
酒杯来到嘴唇边,得饮与否未可知;物未到手前,未能算己有;凡事难以十拿九稳。
Perhaps in those days I was. Pierre and I did have a very good time at the ball. But that was the last moment of happiness in our lives. That night everything changed.