辩 (biàn): to dispute; to debate; to argue; to discuss

In court, the lawyer's argument was well-reasoned and ultimately convinced the jury.

The two of them argued endlessly over a trivial matter, and neither was willing to give in.

This paper refutes common misunderstandings and proposes a completely new theoretical framework.

Faced with irrefutable evidence, he could not defend himself and had to admit his mistake.

He is good at debating and often wins the title of best debater in competitions.