fight aginst与…作斗争〔争吵〕; 反对…
They were fighting against the enemy. 他们在和敌人作战。
We will have to fight against difficulties.
我们将不得不同困难作斗争。
fight with 用(某种武器)与(某人)交战; 用(某种方式、手段)反对(某人)
Now, we fight with guns.
现在, 我们用枪打仗。
The man fought his attacker with a stick.
那人用棍子打跑了偷袭者。

what are you guys woofing about?
你们俩在偷偷讲什么?