Maggie's writing was virtually indecipherable...是什么意思？

Maggie's writing was virtually indecipherable...

玛吉的笔迹几乎无法辨认。

writing

n. 文字，写作，文章，笔迹；v. 写（ write的现在分词），写信；

例句
...teaching the basics of reading, writing and arithmetic.
教授阅读、写作和算术的基础知识

was

v. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质（ be的过去式 ），在，存在，不受干扰；

例句
There was a terrible sadness in her eyes...
她眼神中流露出深深的悲伤。

virtually

adv. 实际上，实质上，事实上，几乎，无形中，无形；

例句
Last night's resounding victory over Birmingham City has virtually assured them of promotion...
昨晚大胜伯明翰城队实际上已确保他们能够晋级。

indecipherable

adj. 破译不出的，难辨认的；

例句
He uttered little indecipherable sounds.
他声音很小，听不清楚。