笔直 bǐzhí perfectly straight Origin Definitions Defs Strokes Stroke Words Sentences Sents 秉笔直书 bǐngbǐzhíshū to record faithfully To hold the pen and write down the truth without concealment; to record historical facts honestly.振笔直书 zhènbǐzhíshū to write quickly and vigorously To wield a pen and write continuously without pause; to write fluently and with great energy.