彼がいうことはわけがわからない。の英語

What he says makes no sense at all.

I don't know what he is saying.

I don't understand what he is saying.

I don't know what he wants to say.

What he meant is doubtful.

I cannot understand what he is driving at.

I can hardly make out what he says.

I don't see what he says.

I'm not clear (about) what he means.

I can't make out what he says.

I can't think what he might say.

I don't know what he's saying.

I don't understand what he is saying.

I don't know what he is saying.

I don't understand what he is saying.

I can make (absolutely) nothing of what he says.

I can't make out what he is driving at.

I cannot understand what he is driving at.

I don't understand what he wants to say.

I can't understand what he is trying to say.

I've no idea what's going on inside his head [what's in his mind].

I don't know what he's thinking.

I cannot understand what he wants to say.

I can't imagine what he is thinking.

I don't understand at all what he is saying.

Whatever he is saying is nonsensical.

I couldn't make out what he was saying.

I don't know what he's trying to say.

I don't understand anything that he is saying.

His words convey nothing at all to me.