行筆

行笔
xíng
  1. (Chinese calligraphy) to continue writing the stroke of a Chinese character (after putting pen to paper)
  2. (literary) to write an essay or composition
  3. to continue writing the stroke of a Chinese character (after putting pen to paper)
  4. to take up the pen; to start writing; to put pen to paper
  5. to write an essay or composition

Wiktionary

Entry Composition