a dirty tricks campaign的用法和样例：
- Nixon quit in 1974 after revelations he covered up a dirty tricks campaign that included a burglary at the Democratic Party's Watergate headquarters.
- Bill swore he'd get even with his brother, who'd played a dirty trick on him.
- They played me a dirty trick to suit their purpose.
- He's playing a dirty trick on us.
- My memory had played a dirty trick on me.
- That was a dirty trick to play on us.