Английский словарь американских идиом - pick on

{v.} 1. {informal} To make a habit of annoying or bothering (someone); do or say bad things to (someone). * /Other boys picked on him until he decided to fight them./ Syn.: PICK AT(3). 2. To single out; choose; select. * /He visited a lot of colleges, and finally picked on Stanford./ PICK ONE'S TEETH {v. phr.} To clean one's teeth with a toothpick. * /It is considered poor manners to pick one's teeth in public./