hard as nails

• 铁石心肠

hard as nails的用法和样例：

例句

1. They are merciless, with hearts as hard as nails.
   他们冷酷无情，铁石心肠。
2. Mrs. Macbeth has a heart as hard as flint.
   麦克白夫人生来一副铁石心肠。
3. They are merciless, with hearts as hard as nails.
   他们冷酷无情，铁石心肠。
4. He is as hard as flint where business is concerned.
   他在生意上是冷酷无情的。

查看更多

词汇搭配

• as hard as nails 身体结实