彼の議論にはとても説得力があった。の英語

His argument was most convincing.

I found his argument very powerful.

His speech is very eloquent.

His argument was aside from the point.

He countered with some very persuasive arguments

His argument is rational.

His argument is quite inconclusive.

His argument was based on facts.

His arguments are quite inconclusive.

He was in the thick of the argument.

The argument weighed with him.

His argument raised him many enemies―brought a hornet's nest about his ears.

his arguments were somewhat self-contradictory

His argument does not have [carry] much conviction.

His argument seems logical.

he argued convincingly

He lays hold of the main points of the controversy.

His argument was far from rational.

I had him in that discussion.

It's no use arguing with him.

I find no logic in his argument.

The argument is perfectly logical.

It is no use trying to argue with him.

He was at last driven into a corner―cornered.

Driven into a corner, he came roundly up to the statement that two and two may not always make four.

I grasped the entire structure of his argument.

The force of his argument was simply irresistible.

His remarks provoked [aroused, excited] considerable comment.

When he was cornered,―driven into a corner,―he came roundly up to the statement that two and two may not always make four.

His argument was well reasoned.