Red-letter day - A important,special day for some reason
March 4th is always a red-letter day for my wife and me. 3月4日永遠是我太太和我的特別的日子。
Today is a fantastic day for us - a real red-letter day! We've just been blessed with our first child - a beautiful baby boy! 今天對我們來說是美妙的一天 - 一個真正值得紀念的日子!承蒙主恩我們的第一個孩子剛剛誕生- 是一個漂亮的男孩!