WordNet
pick at
v. pluck or pull at with the fingers; "She picked nervously at the buttons of her blouse" [syn: pluck at, pull at]
eat like a bird; "The anorexic girl just picks at her food" [syn: peck at, peck]
express a negative opinion of; "She disparaged her student's efforts" [syn: disparage, belittle] [ant: flatter]