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РЫТЬСЯ/ПОРЫТЬСЯ (КОПАТЬСЯ/ПОКО-ПАТЬСЯ) В ПАМЯТИ VP subj: human more often pfv ) to think concentratedly in an effort to remember or recall sth. : X порылся в памяти - X jogged his memory X dug (down) deep into his memory.

«Советую вам подумать, Панкратов... Мы вас щадим, поймите. И оцените. Покопайтесь в памяти, покопайтесь!» (Рыбаков 2). "I advise you to think seriously, Pankratov....We're being merciful with you, you must understand that. And you ought to appreciate it. Dig into your memory, dig deep!" (2a).