red-letter day
英英释义
Noun- a memorably happy or noteworthy day (from the custom of marking holy days in red on church calendars)
例句
用作名词(n.)- The whole mountain was in bloom, and it was our day!整座山都盛开着鲜花，今天是我们的大喜日子！
- Next Sunday is a red-letter day when they are going to be married.下星期是他们结婚的大喜日子。
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