天书 (tiān shū) Definition & Meaning - What does 天书 mean in Chinese

1
n.mysterious book or text from heaven
- yǒu jī tè de wú zì tiān shū xīng xiàng tú liú xia le wú shù de bù jiě zhī mí
  有奇特的无字天书星象图，留下了无数的不解之谜。
  These unique round impressions have remained an unsolved mystery.
2
n.metaabstruse writing; illegible writing; double Dutch
- zhè duì wǒ lái shuō wán quán shì tiān shū
  这对我来说完全是天书。
  It's all gobbledegook to me.
- zhè fēng xìn zì jì tài liáo cǎo xiàng tiān shū yī yàng
  这封信字迹太潦草，像天书一样。
  This letter is as illegible as hieroglyphics.
3
n.imperial edict (in ancient China)
- tā bù gǎn wéi kàng huáng dì xià de tiān shū
  他不敢违抗皇帝下的天书。
  He dared not disobey the emperor's instructions.

common measure word
"天书" is often matched with measure word "本".
- 一本天书
  one book from heaven

天 书