seek a knot in a bulrush(redirected from sought a knot in a bulrush)
seek a knot in a bulrush
To engage in a futile task; to try to find problems where none exist. A bulrush is a grassy plant that is not prone to knots. You'd have better luck seeking a knot in a bulrush than getting those flowers to grow on such rocky soil. I read the report so many times that the boss will be seeking a knot in a bulrush to try to find errors in it.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.