Fighting in a sentence and paraphrased in a sentence.

Here are examples of the word/phrase "fighting" used in a sentence and paraphrased in a sentence...

He is very focused while he is fighting.

He is extremely focused while he is battling.

Why are they fighting each other when they should be cooperating?

Why are they dueling each other when they should be cooperating?

Fighting each other will not solve the bigger problem.

Battling each other will not solve the bigger problem.

Other Examples...