你争我夺

lit. you fight, I snatch (idiom); to compete fiercely offering no quarter / fierce rivalry / tug-of-war

you (informal, as opposed to courteous 您[nin2])

to strive for / to vie for / to argue or debate / deficient or lacking (dialect) / how or what (literary)

I; me; my

to seize / to take away forcibly / to wrest control of / to compete or strive for / to force one's way through / to leave out / to lose