舞文弄墨 [－－－－]

Jyutping mou5 man4 lung6 mak6
Pinyin wǔ wén nòng mò

Definitions (CC-CEDICT)
  1. (idiom) to display one's facility with words
  2. to show off one's literary skills
  3. (original meaning) to pervert the law by playing with legal phraseology (墨[mo4] was a reference to 繩墨|绳墨[sheng2 mo4])
Definitions (CC-CANTO)
  1. show off literary skill; to play with words
Definitions (粵典–words.hk)
  1. x
Definitions (Wiktionary)
  1. phrase, idiomatic
    to show off one's literary skills; to be playful with language and words (in writing); to juggle with words
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）