Definition
- C1
If you do something at the expense of something else, you are doing it in a way that harms the other thing.
以犧牲或損害某事物為代價。
She sacrificed time with her family at the expense of her success at work.
她以犧牲與家人相處的時間為代價，換取工作上的成功。
We should not pursue economic growth at the expense of environmental protection.
我們不應該以犧牲環境保護為代價來追求經濟增長。
He completed the project at the expense of his personal health.
他以犧牲個人健康為代價完成了這個項目。