fight up against

• 与 ... 力战苦斗
• 激战

fight up against的用法和样例：

例句

1. After a fierce fight, the enemy yielded to us.
   经过一场激战，敌人向我们投降了。
2. I want to come back to top 10, I want to fight for the biggest tournies.
   我想重回前十，想在大比赛里跟对手激战。