knight of the post

noun

(obsolete, idiomatic) A known perjurer; a professional false witness.

He was known as a knight of the post.

意味（1）

(obsolete, idiomatic) A known perjurer; a professional false witness.

[…] But with more lucky hit than those

That use to make the stars depose,

Like knights o' th' post, and falsely charge

Upon themselves what others forge;

As if they were consenting to

All mischief in the world men do […]