red-letter day
名詞
UK/ˌredˈlet.ə ˌdeɪ/
US/ˌredˈlet̬.ɚ ˌdeɪ/
定義 red-letter day 名詞
- CountableUsually singular
A significant day that is memorable, joyous, or of special importance.
The successful product launch was a red-letter day for our company.
Their wedding day was a red-letter day in their lives.
Receiving his first scholarship was a red-letter day for him.