milestone birthday
noun [ C ] uk/ˌmaɪl.stəʊn ˈbɜːθ.deɪ/ us/ˌmaɪl.stoʊn ˈbɝːθ.deɪ/ (also landmark birthday)
意义非凡的生日，里程碑式的生日（如18岁、21岁、30岁、40岁等等）
a special birthday such as your 18th, 21st, 30th, or 40th birthday
Jack was 28 in his first movie part. Now he's reaching the milestone birthday of 40. 杰克演第一部电影的时候是28岁，现在他已经快过40岁这个里程碑式的生日了。
We all like to think that milestone birthdays lead to exciting turning points in our lives. 我们都希望里程碑式的生日会给我们的人生带来令人兴奋的转折点。
- More examples
- You recently reached a milestone birthday [60]. How did you celebrate?
- Another first-time voter said it was the global situation, not a milestone birthday, that brought him into Philadelphia's voter registration office.
- With Mr Davis retired and Mrs Davis about to celebrate a milestone birthday (she preferred not to say which), they have booked a 10-day tour of major European cities.