pound

in for a penny, in for a pound: seepenny.

penny wise and pound foolish: seepenny.

your pound of flesh an amount you are legally entitled to, but which it is morally offensive to demand.

☞ The allusion here is to Shylock's bond with the merchant Antonio in Shakespeare's The Merchant of Venice and to the former's insistence that he should receive it, even at the cost of Antonio's life.

pound the pavement move about on foot at a steady, regular pace in a town or city.

2013Daily Telegraph Even as Tory activists pounded pavements and knocked on doors across the land, David Cameron and George Osborne were calculating the impossibility of the task.

a pound to a penny it is extremely likely. informal