Subject + 争论 + (Topic)
争论 (zhēnglùn) is a verb meaning "to argue" or "to debate." It describes a verbal dispute or disagreement between two or more parties. It can also function as a noun meaning "an argument" or "a dispute."
他们为了这个方案争论了半天。
Tāmen wèile zhège fāng'àn zhēnglùn le bàntiān.
They argued about this plan for a long time.
同事之间难免会有一些争论。
Tóngshì zhījiān nánmiǎn huì yǒu yìxiē zhēnglùn.
It's inevitable for colleagues to have some disagreements.
关于去哪里吃饭,我们争论了很久。
Guānyú qù nǎlǐ chīfàn, wǒmen zhēnglùn le hěn jiǔ.
We argued for a long time about where to eat.