
Do a hatchet job on someone
Speak ill of someone / Run someone down / Rake someone over the rakes / Take someone apart

Tagliare i panni addosso a qualcuno 
Speak ill of someone / Run someone down / Rake someone over the rakes / Take someone apart

Tagliare i panni addosso a qualcuno 
Meanings
Fig.: to attack someone's reputation with a harsh destructive criticism
Examples
Out of envy, Fred did a real hatchet job on Conrad at the annual sales meeting by criticizing his performance in all areas
Durante la riunione annuale dei venditori, Federico, per pura invidia, ha tagliato i panni addosso a Corrado per tutta la sera, criticandolo in tutto e per tutto
After her latest outrageous "unauthorized biography", the writer's unorthodox journalistic methods were coming under sharp scrutiny. Did she write a responsible work of journalism or just a sleazy hatchet job on people?
Dopo la pubblicazione della sua ultima scandalosa "biografia non autorizzata" i metodi giornalistici poco ortodossi dell'autrice sono stati passati al vaglio: si tratta di un lavoro di giornalismo responsabile o si tratta solamente di tagliare i panni addosso alla gente?Origin
Hatchet job comes from Hatchet man, who originally was a hired killer, but then it came to mean a person hired to carry out an unpleasant and nasty job