Many a slip (many things fall) between the cup and the lip.
酒杯來到嘴唇邊,得飲與否未可知;物未到手前,未能算己有;凡事難以十拿九穩(wěn)。
I am sorry that you have a disagreement with your father. Personally, I think it is important to follow your interests and your abilities, and it sounds as though you have plenty of both of these already.
我感到遺憾,你和你父親意見不一致。就我自己而言,我認(rèn)為重要的是從你的興趣和能力出發(fā),聽起來好像你已具備了這兩點。