Polish translation of “expense”
at the expense of sth › If you do one thing at the expense of another, doing the first thing harms the second thing.
He spent a lot of time at work, at the expense of his marriage.Damaging and spoilingDestroying and demolishing
at sb's expense › If you do something at someone's expense, they pay for it.
na czyjś koszt
We went on holiday at my father's expense.Costs and expenses › in order to make someone look stupid
Stop making jokes at my expense.Embarrassing