at someone's expense

US /æt ˈsʌm.wʌnz ɪkˈspɛns/
UK /æt ˈsʌm.wʌnz ɪkˈspɛns/
"at someone's expense" picture
1.

a expensas de alguien, a costa de alguien

paid for by someone; causing loss or damage to someone

:
The company party was held at the company's expense.
La fiesta de la empresa se celebró a expensas de la empresa.
He made a joke at her expense, which made her feel uncomfortable.
Hizo una broma a su costa, lo que la hizo sentir incómoda.