1、By now, the code in Listing 17 should be old hat to you.
現(xiàn)在，清單17中的代碼對您來說太陳舊了。

2、He discarded an old hat and an old pair of shoes.
他扔掉了一頂舊帽子和一雙舊鞋。

3、Nowadays, putting satellite into orbit is old hat to space scientists.
現(xiàn)在，對航天科學(xué)家來說，把人造衛(wèi)星送入空間衛(wèi)星軌道已不算是什么奇跡了。

4、By now, putting satellites in orbit is old hat to space scientists.
目前，對航天學(xué)家來說，把衛(wèi)星發(fā)射到軌道已不是什么新鮮事了。

5、Andersen live very simply 1. He often wore an old hat when he went out.
安徒生(1805- 1875)生活很簡樸，常戴著一頂舊帽子出去。

old hat翻譯