Correct
欲加之罪，何患无辞
/ yù jiā zhī zuì, hé huàn wú cí /
Strokes
Definition
If you want to condemn sb, don't worry about the pretext (idiom, from Zuozhuan 左传); one can always trump up a charge against sb/Give a dog a bad name, then hang him.
Example
Definition
if you are out to condemn sb, you can always trump up a charge; he who has a mind to beat his dog will easily find his stick; give a dog a bad name and hang him; if you want a pretence to whip a dog, say that he ate up the frying-pan