a cruel dictator的用法和样例：
- In the past three years, our troops have overthrown a cruel dictator, fought the terrorists and insurgents house to house, and trained Iraqi forces to defend their new democracy.
- That emperor was a cruel despot.
- He stared at me with a cruel glitter in his eyes.
- Her book portrays her stepfather as a cruel man.
- The death of their beloved son was a cruel blow.