a hero in dire straits的用法和样例：
- A large part of Su Shi's works contains a moving and tragic style which is of a school, and of a hero in dire straits.
- The firm is in dire straits and may go bankrupt.
- He failed, and is now in dire straits.
- Grandpa, are you a hero in the war?
- Now that father's lost his job, we're in dire straits.