at the expense of

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

以...为代价, 牺牲...

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

:
He pursued his career at the expense of his family life.
他以牺牲家庭生活为代价追求事业。
The company increased profits at the expense of environmental regulations.
公司以牺牲环境法规为代价增加了利润。