big blunder risk的用法和样例：
- Whoever fails to see this will make a big blunder.
- She was dumped from the company after making a big blunder.
- He later claimed it was the biggest blunder of his career.
- But they did avert disaster and committed only a few big blunders.
- It followed a bigger blunder: Israel's failure after Yasser Arafat's death to work seriously with his moderate successor, Mahmoud Abbas.