as sure as nails

• 肯定无疑

as sure as nails的用法和样例：

例句

1. This big truck of yours is going to draw fire as sure as hell.
   你这辆大卡车容易招致火力，这是肯定无疑的。
2. It is no fun betting on a sure thing.
   对必然要发生的事打赌是毫无意义的。
3. The cell walls must expand as the cells grow.
   当细胞生长时细胞壁必然扩张。

词汇搭配

• as sure as nails 肯定无疑