Английский словарь американских идиом - lose oneself

{v. phr.} 1. To go wrong; miss your way; become unable to find the right direction. * /Fred lost himself in the confusion of downtown Boston streets./ 2. To conceal yourself; hide. * /The pick-pocket lost himself in the crowd and escaped the police./ 3. To become deeply interested and forget yourself; become absorbed. * /Sometimes Harry would lose himself in a book for an afternoon at a time./ Compare: IN A WORLD OF ONE'S OWN.