四十可以写成fourty吗

　　例句：

　　Fifty is the new forty.

　　四十尚未老，五十正当年。

　　I keep remembering Hannah Pakula's immortal line: 'Hollywood is no place for a woman over forty with a library card.'

　　我一直谨记汉娜·帕库拉的名言：“好莱坞不是年过四十手拿图书证的女人呆的地方。”

　　She was somewhat inclined to fat after forty.

　　四十岁以后她有点发胖了。