The initial idioms of the letter P

pick apart	pick at
pick away	pick brain
pick brains	pick from
pick nits	pick of
pick of the bunch	pick of the litter
pick off	pick on
pick on your own size	pick one's way
pick out	pick over
pick pocket	pick out of
pick (someone or something) out of a hat	pick someone's brain
pick holes in	pick up the ball and run
pick through	pick to pieces
pick up	pick up after
pick up marbles	pick up on
pick up on something	pick up speed