ㄋㄧˇㄓㄥㄨㄛˇㄉㄨㄛˊnǐzhēng‑wǒduó

你争我夺
  1. 雙方互相爭奪 你爭我奪相讓」。

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