nail on的用法和樣例：
例句
- I can't open the cupboard, it seems to be nailed on.
我打不開食櫥門，看來好像是給釘住了。 - He dropped the nails on the ground and successive clangs were heard.
他把釘子掉到了地上，聽見了一連串的叮噹聲。
辭彙搭配
- hit the nail on the head 語言中肯
- cash on the nail 即買即付的現金...
- on the nail 立即(當場)
