Английский словарь американских идиом - on the lam

{adj.} or {adv. phr.}, {slang} Running away, especially from the law; in flight. * /The bank robber was on the lam for ten months before the police caught him./ - Sometimes used in the phrase "take it on the lam". * /After a big quarrel with her father, the girl took it on the lam./