at the expense of

US /æt ðə ɪkˈspens ʌv/
UK /æt ðə ɪkˈspens ʌv/
"at the expense of" picture
1.

a spese di, a discapito di

resulting in harm or damage to (someone or something else)

:
He pursued his career at the expense of his family life.
Ha perseguito la sua carriera a spese della sua vita familiare.
The company increased profits at the expense of environmental regulations.
L'azienda ha aumentato i profitti a spese delle normative ambientali.