一字不易
      Explanation: Text fine alcohol, a word can not be changed. Also used to refer to those who word for word copy to copy someone else's article.
      Usage: Predicate; for adverbial; that does not change the word
      Source: "New Tang Literary Biography in the Sun Ti" Kaiyuan, the Su Liu, Qi Mi Su Jin, Jia Zeng, Han Hugh, first and Di Xu Jing Chao Patent Code, to speak for most; and Ti in particular, precise, ling, as the grass , want to trade word, Death can not and. "
  • Thesaurus:  Difficult word, Yiziweigai