at one's expense
01
그의 비용으로, 그가 내는 돈으로
used to say who has paid for something
idiom
예시들
The repairs were done at the landlord's expense.
수리는 집주인 비용으로 진행되었다.
02
(particularly of a joke) in a way that causes harm to someone or makes them embarrassed
disapproving
idiom
예시들
The ad got attention, but it did so at the customer's expense.
