Wiktionary
unclean hands
n. (context legal English) A doctrine of equity under which a court of law will not provide equitable relief to a party whose own conduct has been improper.
Usage examples of "unclean hands".
But, if they seek to glorify God, let them not lift heavenward their unclean hands!
Mired in his own filth, feeding upon rotted scraps tossed to him by unclean hands, he yet possessed the wealth of a Croesus, and it was as Croesus he lived in his imaginings, his dismal hut changed into the pomp and circumstance of a palace by the scintillant gleams of the precious stones.
His face was a sickly gray hue, resembling a white ball which had been mauled in unclean hands.
The statue would be too sacred to them for it to be allowed to fall into unclean hands.