Be as hard as nails

 Meaning:

• When somebody is as hard as nails, they have no feelings or sympathy for other people.

Example sentence:

Why don't you tell your partner about your true feelings? - I can't. She would never understand it because she's as hard as nails.


Questions for you to answer:

1. Do you know anybody who's as hard as nails? What adjectives would you use to describe the person?
2. Do you think it's sometimes necessary to be as hard as nails? In which situations?
3. When did you last have to be as hard as nails, or at least pretend so?