a group of people you are friendly with
группа людей, с которыми вы дружите (gruppa lyudey, s kotorymi vy druzhite)
"She has a large circle of friends from college."
"у нее большая группа друзей из колледжа" (u nee bolshaya **gruppa druzey** iz kolledzha)
to fail to understand the main idea
to make a mistake or do something badly
to withdraw from an agreement or commitment
two people who used to dislike each other but became friends
to act confidently until you actually feel confident
it is a waste not to use your mental abilities