To find weaknesses, errors or imperfections (in).
poke holes in
To criticize someone by finding flaws or weaknesses in their work or t…
shoot holes
Find faults.
pick someone's brain
To seek information from someone knowledgeable; to ask questions of so…
pick corners
To choose a preference (as in predicting which boxer will win a match)…
pick up the tab
To accept a bill and pay it, especially at a bar or restaurant.
pick of the litter
The best person or item in a group; the best that one has to offer.