on the house
US /ɒn ðə haʊs/
UK /ɒn ðə haʊs/
成語
免費的, 店家贈送的
provided free of charge by the establishment, especially a restaurant or bar
範例:
•
The dessert was on the house because it was my birthday.
因為是我的生日，甜點是免費的。
•
Don't worry about the drinks, they're on the house tonight!
別擔心飲料，今晚它們是免費的！