与 + Noun + 争 / 争 + Object
争 (zhēng) means "to fight," "to struggle," or "to contend" and is used as a verb to describe the act of striving against an obstacle or competing for something. It often appears with 与 to indicate the opposing force, as in 与病魔争 (fight against illness). It can also combine with other characters to form compounds like 争取 (strive for).
他一直在和病魔争斗,从未放弃过。
Tā yīzhí zài hé bìngmó zhēngdòu, cóngwèi fàngqì guò.
He has been fighting against illness and has never given up.
两支球队为了冠军争得非常激烈。
Liǎng zhī qiúduì wèile guànjūn zhēng de fēicháng jīliè.
The two teams competed very fiercely for the championship.
我们要争取在月底之前完成这个项目。
Wǒmen yào zhēngqǔ zài yuèdǐ zhīqián wánchéng zhège xiàngmù.
We must strive to finish this project before the end of the month.