(know somebody (или something) as one knows his ten fingers (также know somebody или something like the back или palm of one's hand, уст. as well as a beggar knows his dish)) прекрасно знать кого-либо (или что-либо); ≈ знать кого-либо (или что-либо) как свои пять пальцев Например: I know thou knowest every place by the river's side as well as... the beggar knows his dish. (W. Scott, The Fortunes of Nigel, ch. XXI) — Ты, я знаю, изучил все места на Темзе... как нищий свою суму. Martin knows that place like the palm of his hand. (C. P. Snow, The Affair, ch. 11) — Мартин знает колледж как свои пять пальцев. He knew his assets and his liabilities, as he knew his ten fingers. (Th. Dreiser, The Financier, ch. XXX) — Он прекрасно знал состояние своего актива и пассива. I've lived in New York all my life, and I know Central Park like the back of my hand. (J. Salinger, The Catcher in the Rye, ch. XX) — Всю жизнь я прожил в Нью-Йорке и знаю Центральный парк вдоль и поперек.