How to sign: find fault with; express criticism of; point out real or perceived flaws
"The paper criticized the new movie"; "Don't knock the food--it's free";
Similiar / Same: criticize, criticise, knock
Categories: comment, notice, point out, remark
Within this category: admonish, attack, belabor, blame, call on the carpet, come down, denounce, deplore, disparage, nitpick, reprehend, reprimand, savage