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brush strokes; manner of using a brush; use of a pen; penmanship
書道では運筆の速度が重要だ。
In calligraphy, the speed of brush strokes is important.
先生の運筆を間近で見て学んだ。
I learned by watching the teacher's brush strokes up close.
力強い運筆が作品に迫力を与えている。
Powerful brush strokes give the work a sense of force.