red-letter day
/ˈredˈletə(r)/noun
- a day that is pleasantly noteworthy or memorable重要（或值得纪念）的日子。
词源
early 18th cent.: from the practice of highlighting a festival in red on a calendar.
| 单词 | red-letter day |
| 释义 | red-letter day/ˈredˈletə(r)/noun
词源 early 18th cent.: from the practice of highlighting a festival in red on a calendar. |
| 随便看 |
英汉双解词典包含131075条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。