彼が言っていることは筋が通らない。の英語

What he is saying doesn't make sense.

What he says is inconsistent with reason―contrary to reason―against reason―neither rhyme nor reason―without rhyme or reason―absurd―incoherent.

He never tells lies.

He would never say such a thing.

He cannot have said so.

He just talks and does nothing.

What he said is by no means true.

You must not rely on his word.

Don't rely on what he says.

Don't trust what he says.

What he says, is incoherent―inconsistent―self-contradictory.

He cannot have told a lie.

He cannot have said that.

He wouldn't say such a thing.

What he says is sheer [utter] nonsense.

What he says doesn't make sense to me.

I can't buy what he says.

What he says doesn't convince me.

He didn't say a word.

Don't mention the matter to him.

What is he talking about? It just doesn't make sense.

What he said count for nothing.

What he said counts for nothing.

He is not to be relied upon―unreliable.

There is no way that he said that.

He did not know what to say.

He didn't say a word about it.

What he said was not true.

He went out without saying a word.

His words lack point.