大后天英语three days from now。
例句：
1、后天又要晚40分钟，就是9:20来。大后天就是10点。
the next day 40 minutes later at 9:20, the next day at 10:00.
2、坐稳了我想把你吃了明天、后天、大后天。
I just want to eat you up, tomorrow and the next day, next day, next day.
3、有三个幽灵将来看你：第一个于明天一点钟来，第二个于次日的同一时间来，第三个于大后天的午夜来。
Three spirits will come to visit you: the first tomorrow at one o'clock, the second at the same time the next night, and the third at midnight the following night.
4、大后天就是端阳，连零星店账都没有办法。
I can't even settle the small accounts due at the Dragon-boat Festival.
5、陪审团员全是跟昨天、前天、明天、后天、大后天一样的坚定的爱国者、优秀的共和主义者。
The same determined patriots and good republicans as yesterday and the day before, and tomorrow and the day after.
流云归晚
