奋笔疾书 fèn bǐ jí shū

DEFINITIONS

  1. to write at a tremendous speed

CHARACTERS

奋 fèn
HSK 4
strive, exert effort; arouse
笔 bǐ
HSK 2
writing brush; write; stroke
疾 jí
HSK 6
illness, disease, sickness; to hate
书 shū
HSK 1
book, letter, document; writings