fight, struggle against, contend with
斗她，去斗她！
Take her on—go on, take her on!
— 霸王别姬 (1993)
你为什么要和这些王八蛋斗？
Why do you want to fight with these assholes?
— 爱情是狗娘 (2000)
跟我斗？
You think you can take me on?
— 少林足球 (2001)
想跟我们斗
You think you can take us on?
— 精英部队 (2007)
怎么和我斗？
How can you possibly compete with me?
斗下去只有同归于尽于是出手制止
Continuing to fight would only end in mutual destruction, so someone stepped in to stop them.
— 守夜人 (2004)
上次斗不过他
I couldn't beat him last time.
— 黑社会 (2005)
别再和他斗了
Stop fighting with him.