一筆抹倒 [－笔－－]

Jyutping jat1 bat1 mut3 dou2
Pinyin yī bǐ mǒ dǎo

Definitions (Wiktionary)
  1. phrase, idiomatic
    Synonym of 一筆抹殺／一笔抹杀 (yībǐmǒshā).
    (syn.) 一筆抹殺, 一笔抹杀