Pick apart
Criticise, find fault
Pick at
Eat unwillingly
Pick off
Target individuals to change a group
Pick on
Bother, annoy, criticize or make fun of someone
Pick out
To choose or select.
Pick through
Search something that is disordered for something
Pick up
Improve
Pick up after
Tidy a mess someone else has made
Pick up on
Correct someone when they say something wrong
Pick yourself up
Recover from a fall or problem