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red-letter day

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red-letter day

Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ˌred-ˈletter day noun [countable]  informal a day that you will always remember because something special happened that made you very happy 喜庆的日子
Examples from the Corpus
red-letter dayIt is also a red-letter day for Bath's Ben Clarke, who makes his debut.It could mean the difference between a red-letter day and an empty basket.August 17 was a red-letter day because at last the dorado-catching campaign succeeded.This was a red-letter day indeed.Finally the couple may be celebrating a birthday, a wedding anniversary or some other red-letter day.
ˌred-ˈletter day nounChineseSyllable
that day remember always will a because Corpus you


red-letter day
ˌred-ˈletter day noun [countable]
informal a day that you will always remember because something special happened that made you very happy


red-letter dayBrE /ˌred ˈletə deɪ/ 🔊NAmE /ˌred ˈletər deɪ/ 🔊 nounan important day, or a day that you will remember, because of sth good that happened then 重要纪念日;喜庆日 ORIGIN From the custom of using red ink to mark holidays and festivals on a calendar. 源自在日历上用红色标示假日和节日的习惯。