a rancorous legal battle的用法和样例：
- Jack waged a legal battle with his former employer.
- Aging ex-opera czar Sir Rudolf Bing and his wife flew here from London yesterday to face the music in a long-running legal battle over their marriage.
- That would prompt another protracted legal battle.
- A 16-year-old Virginia cancer patient won a legal battle today.
- Burris asked to move forward with negotiations or legal battle.