pick at

[pick at] {v.} 1. To reach or grasp for repeatedly.

The babykept picking at the coverlet.

2. To eat without appetite; choose asmall piece every little while to eat.

He picked at his food.

3.To annoy or bother continually; find fault with.

They showed theirdispleasure by continually picking at her.

Syn.: PICK ON.