без чьего-либо разрешения, не поставив в известность
He executed his plan behind his friends' back.
без чьего-либо разрешения, не поставив в известность
He executed his plan behind his friends' back.
Англо-Русско-Английский словарь сленга, жаргона, русских имен. English-Russian-English dictionary of slang, jargon and Russian names. 2012