“red-letter”可以造什么句，red-letter造句

Stephen got promoted and engaged to be married yesterday. It was truly a red-letter day for him.

It's been a red-letter day. I aced the math test and made a date with Mary. Besides, Dad gave me an old car!

It is to popularize firedamp pool actively, change bavin burning a red-letter day, protect silvan natural resources.

My father said that the day I was born was a red-letter day for him.