1、They always pay on the nail They are never a day behind
他們一向是立即付款，一天也不拖欠。

2、Hang your bag on the nail in the wall.
將你的書包掛在墻上的釘子上面。

3、Vertical ridges on the nail mean a possible iron deficiency.
指甲上的垂脊意味著可能缺鐵

4、You have to pay on the nail before you can leave the shop with your goods.
你在帶貨出店前必須當場付款。

5、It is my usual practice to pay on the nail when going shopping.
購物時我習慣于當場付錢。

6、We have to pay on the nail before we can leave with the goods.
我們必須當場付款，才能拿走貨物。

on the nail翻譯