Question

at sb's expense 1. na czyjś rachunek; 2. czyimś kosztem

Accepted Answer

The trip is at company's expense. We are always making jokes at Mark's expense.

EN Quest	at sb's expense
EN Quest Example	The trip is at company's expense. We are always making jokes at Mark's expense.
PL Answer	1. na czyjś rachunek; 2. czyimś kosztem

Expense Sb's Trip Company's Making Jokes Mark's Na