How empty the argument sounded even as it echoed silently in his mind.

To the president's father, this argument must sound familiar.

Given the lack of good, hard examples, that argument sounded dubious from the start.

When you put it like that, the argument sounds very feeble indeed.

After a few sentences, he heard how weak his own argument sounded.

Every defense or argument that came to mind sounded childish and weak.

And, to someone who didn't look into the details, their arguments sounded scientific.

Barney often makes up statistics in order to make his arguments sound credible.

Still, its central argument might sound familiar to anyone following his career.

The argument may sound reasonable but it doesn't stand up to close examination.