at the expense of

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

~을 희생하여, ~의 대가로

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

:
He pursued his career at the expense of his family life.
그는 가족 생활을 희생하면서 경력을 추구했다.
The company increased profits at the expense of environmental regulations.
회사는 환경 규제를 희생하면서 이익을 늘렸다.