To fish behind the net.
More Dutch Proverbs:
He is as easily caught as a hare with drums.Dutch
Beware of a white Spaniard and a black Englishman.
Dutch
Counsel before action.
Dutch
The more servants the worse service.
Dutch
When the cook and the steward fall out, we hear who stole the butter.
Dutch
Nothing in haste but catching fleas.
Dutch