彼の議論は説得力のあるものだったが、私達は彼を支持しなかった。の英語

Though his argument was convincing, we did not side with him.

We presented the arguments to him

His way of speaking was very persuasive, so we couldn't help believing what he said.

His argument was most convincing.

At the meeting he said a lot, but his argument did not hold water.

His argument is inconsistent with our policy.

I find no logic in his argument.

His argument was far from rational.

He is not the kind of person who is open to discussion.

He is not kind of person who is open to discussion.

There is nothing to be gained by having a discussion with him.

his arguments were somewhat self-contradictory

His argument was aside from the point.

Despite his controversial statements, Trump continued to win support.

He didn't participate in the discussion.

It's no use arguing with him.

No one could get the better of him in an argument.

His arguments are quite inconclusive.

I had to grant (him) the reasonableness of his argument.

I took sides with him against them in the argument.

he argued unconvincingly

It is no use trying to argue with him.

His entire ignorance of the subject prevented meaningful discussion.

There is neither rhyme nor reason to his argument.

His argument lacks substance.

he didn't want to discuss that subject

His argument was based on facts.

He is second to none when it comes to debating.

I have argued with him all day, but I can not convince him of his error.

His remarks are irrelevant to the subject under discussion.