as hard as nails的用法和样例:
例句
- That hard-as nails young man was a sailor to the tips of his fingers.
那身体结实的年轻小伙子是个地地道道的水手。 - They are merciless, with hearts as hard as nails.
他们冷酷无情,铁石心肠。 - He is as hard as flint where business is concerned.
他在生意上是冷酷无情的。
词汇搭配
- hard as nails 铁石心肠