The writings of Mark Twain are pseudonymous.

马克吐温的作品使用的是笔名。

Of course it's in a letter that probably itself is pseudonymous.

当然这是在一封本身可能就是冒名的信里。

Most of us scholars believe that these letters are pseudonymous.

大多学者认为这些书信是伪典。

The weird thing about Revelation,though, is that it's pseudonymous.

《启示录》的奇怪之处在于，它不是用假名写的。

They don't tell us who their author is. Notice, they're not pseudonymous.

他们没有说作者是何许人，而且，他们也没有使用笔名。