It is a good greeting card for Hallowmas.

这是不错的万圣节的贺卡。

We often celebrate the Hallowmas in this way.

我们经常用这种方式庆祝万圣节。

It is called Allhallows or Hallowmas by the Church.

后来被教堂定名为万圣节。

For a black cat, Hallowmas is the most miserable day.

对于黑猫来说，万圣节是一年中最“悲惨”的日子。

As to black cats, Hallowmas is the most miserable day in a year.

对于黑猫来说，万圣节是一年中最“悲惨”的日子。