at the expense of

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

على حساب, بثمن

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

:
He pursued his career at the expense of his family life.
لقد تابع مسيرته المهنية على حساب حياته العائلية.
The company increased profits at the expense of environmental regulations.
زادت الشركة الأرباح على حساب اللوائح البيئية.