Inailed downa contract to sell a thousand cars. The customer signed all the papers and I've already faxed them back to you.
我敲定了一个出售一千辆汽车的合约。那位顾客签了所有的文件，我已经把文件用传真发回给你了。
2. as hard as nails
As hard as nails字面意思是“像钉子一样硬。如果一个人像钉子一样硬的话，那人想必既顽固强硬又无情无义，是个相当难相处的人。例如：
They offered me a good job at that company but I hear that the boss isas hard as nails: one little mistake and you're out on the street the next day looking for a new job。