to become part of a group or team
стать частью группы или команды (stat' chast'yu gruppy ili komandy)
"She’ll join up with the outreach crew tomorrow."
"Завтра она присоединится к команде по охвату." (Zavtra ona prisoedinit'sya k komande po okhvaty.)
the less harmful of two bad options
There is no point in worrying about past mistakes.
to persuade someone to join an activity
Something that is very expensive.
to help someone with a task
to make a mistake; to fail at something important