expression, ichidan verb
let one's pen wander; write freely
Describes writing without a fixed plan, letting thoughts flow naturally onto the page. Often used in the 〜て form (筆に任せて).
筆に任せて、思いつくままに書いた。
I let my pen wander and wrote whatever came to mind.
彼は筆に任せて、自由奔放な
He wrote freely, composing an unrestrained piece of writing.