耍筆桿 [－笔杆]

Jyutping saa2 bat1 gon1
Pinyin shuǎ bǐ gǎn

Definitions (CC-CANTO)
  1. wield a pen (used in a derogatory sense)
Definitions (Wiktionary)
  1. verb, derogatory, usually
    to wield the pen; to be skilled in literary tricks
    (syn.) 弄笔墨, 弄筆墨