Meaning of dòu zhēng:
斗争
a struggle; fight; battle
Tā zài gōngzuò zhōng yùdào le yīxiē kùnnán, dàn tā jiānchí yǔ zhèxiē kùnnán jìnxíng dòuzhēng.
他在工作中遇到了一些困难,但他坚持与这些困难进行斗争。
He encountered some difficulties at work, but he insisted on struggling against them.
Wèi le hépíng, rénmín yǔ bù gōngzhèng de shèhuì jìnxíng dòuzhēng.
为了和平,人民与不公正的社会进行斗争。
In order to achieve peace, the people fight against the unjust society.
Wèi le hépíng, tāmen jìnxíngle jiānkǔ de dòuzhēng.
为了和平,他们进行了艰苦的斗争。
For peace, they engaged in a tough battle.