take aside = take someone away from others and talk to him/her privately
- The boss took him aside and told him to be more careful next time.
- She took him aside and told him not to talk about her again when she is not there.
- Don't embarrass the kid in front of his friends. Take him aside and tell him about his mistake.
- The lawyer took us aside and told us what our options were.
- Take him aside and tell him Mr. Jameson is asking for him on the phone.