to accept that you are to blame for something
принять ответственность за что-то (prinyat', chto vy vinovaty v chem-to)
"He finally took responsibility for the mistake."
"Он наконец взял ответственность за ошибку." (on nakonec vzyal otvetstvennost' za oshibku)
to prepare or arrange things before traveling
to prove to be something in the end
to make many small mistakes because of nervousness
to discover secret or forgotten information
to go beyond limits or expectations
to talk informally with someone