天書 [－书]

Jyutping tin1 syu1
Pinyin tiān shū

Definitions (CC-CEDICT)
  1. imperial edict
  2. heavenly book (superstition)
  3. obscure or illegible writing
  4. double dutch
Definitions (粵典–words.hk)
  1. 名詞
    好​有用​、​實​用​嘅​書​（​量​詞​：​本​）
    book of great use; beneficial book
    • 考試天書
      考试天书
      haau2 si5 tin1 syu1
      book which provides useful tips for the examination
Definitions (Wiktionary)
  1. noun, archaic
    book that has come from the heavens or immortal spirits
  2. noun, figuratively
    incomprehensible or undecipherable text; nonsense; gobbledygook
  3. noun, archaic
    imperial edict
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    看起来像天书。
    看起來像天書。
    kàn qǐ lai xiàng tiān shū 。
    • It's all Greek to me.
    • It is all Greek to me.
    • That's Greek to me.
    • This is Greek to me.
  2. Mandarin
    看起来这都是天书。
    看起來這都是天書。
    kàn qǐ lai zhè dōu shì tiān shū 。
    • That was all Chinese to me.
    • That was all Greek to me.
  3. Mandarin
    我一周在这儿教五天书。
    我一週在這兒教五天書。
    wǒ yī zhōu zài zhè er jiào wǔ tiān shū 。
    • I teach classes here five days a week.
Examples (粵典–words.hk)
  1. Cantonese
    考试天书
    考試天書
    haau2 si5 tin1 syu1
    • book which provides useful tips for the examination