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WordNet
pull at

v. pluck or pull at with the fingers; "She picked nervously at the buttons of her blouse" [syn: pick at, pluck at]

Usage examples of "pull at".

Alternatively, or better still, in addition, he could pull at the star from outside with one of the other particles.

Suddenly the girl gave the men an appraising look and began to pull at her hair, in a pitiful imitation of combing, as if she was suddenly concerned about her appearance.

He took another pull at the silver brandy flask and looked out the W shield.