a hard-fought battle的用法和样例：
- The champion prevailed,though it was a hard fight.
- Strengthen Leadership, Work Hard, Make Great Efforts to Fight a Hard Fought Battle of Overcoming Difficulties of Drinking Water in Rural
- Saya and Hagi are in a hard fight against Nathan. However someone unexpected interrupts the fight.
- Even so, it was a hard fight, and it aroused the last latent remnants of Buck's ferocity.
- He has had no previous military experience apart from a hard fight between the Boy's brigade and the Scouts.