[ zhūbǐ ] a pen using red ink originally used by an emperor in signing decrees now often used by school teachers to correct student papers; brush-pen dipped in red ink
Just as the main judge picked up his brush to write , a loud buzzing was heard coming closer , getting louder and louder 正当判官拿起朱笔要写的时候,一阵响亮的嗡嗡声越来越近,越来越响。