at the expense of
01
を犠牲にして
causing a negative consequence or cost to someone or something in order to benefit another
Collocation
例
His success came at the expense of his personal life, as he devoted all his time to work.
彼の成功は、彼の私生活を犠牲にして得られたもので、彼はすべての時間を仕事に捧げました。
