Friday the thirteenth is believed to be an unlucky day.
一般人相信十三日星期五是不吉利的日子。
Many people believe it is a very unlucky day.
因为许多人认为这一天是不吉利的日子。
In the medieval calendar there were two kinds of day - Dismal Days and Red-Letter Days.
在中世纪的日历中，有两种日子——不吉利日和吉利日。
black-letter day
平日，素日，非节假日;不吉利或倒霉的日子
Dismal Days were considered unlucky, while Red-Letter Days were the principal feasts and saints' days to be celebrated or observed throughout the Christian year.
不吉利日被认为是倒霉的日子，而吉利日在基督教全年度里是重要的节日和纪念圣徒的日子。
Dismal Days were sometimes called Egyptian Days, because they were computed by Egyptian astrologers.
不吉利日有时叫做“埃及日”，因为这些日子是埃及占星家推算出来的。
The Dismal Days. however, were not lucky, and even were considered evil and liable to cause depression and gloom.
不吉利日则被认为不吉祥，甚至被认为邪恶，使人容易感到压抑和郁闷的日子。
It was a fortunate day when we opened the store.
我们店开张那天是个吉利的日子。
The computation of the Dismal Days was very complicated.
推算不吉利日是非常复杂的。
The coming year will not be propitious for Japanese fascism either.
明年也将不是日本法西斯的吉利年头。
Still, on auspicious or lucky days here in Taiwan,
不过在吉祥幸运的日子里，您在台湾
Friday is believed to be an unlucky day.
星期五被认为是不吉祥的日子。
It is unlucky to break a mirror.
打破镜子被认为是不吉利的。
It is inauspicious to walk under a ladder.
从梯子下走过是不吉利的。
Some people say it is unlucky to break a mirror.
有些人说打碎镜子是不吉利的。
It is traditionally regarded as unlucky for a ship to begin a voyage on the 13th, especially if it happens to be a Friday.
人们传统上认为，轮船在13日，尤其再碰巧是星期五起航是不吉利的。
For the Norsemen Friday was regarded as the luckiest day of the week, the day of dating and wedding.
对挪威人来说，星期五是一周中最吉利的日子，是情人约会和结婚的日子。
It is unlucky to spill salt.
洒落盐是不吉利的。