我知道今天是什么日子，parker小姐。
I know what today is miss parker.
但愿你们没忘今天是什么日子。
I hope you haven't forgotten what day it is.
今天是什么日子？你彩票中奖了吗？
What's the occasion? You won the lottery?
喂，我说汤姆，你知道今天是什么日子？
Lookyhere, Tom, do you know what day it is?
他自己也忘记了今天是什么日子了。
He himself had forgotten that there was anything special that day.
今天是什么日子？是（）。
What day is it today? It's().