writing brush; writing implement (pen, pencil etc) (CL:支[zhi1],枝[zhi1]); brushstroke; stroke (in painting or calligraphy); (bound form) style of writing; literary manner; technique of brushwork; (classifier) stroke of a Chinese character; (classifier) sum of money; financial transaction; piece of business; (literary) to write (with a brush or pen)
trad. 筆
Also written 筆【bǐ】