罄笔难书

qìng bǐ nán shū

too numerous to be cited (of atrocities or misdeeds) (idiom)

see also 罄竹難書|罄竹难书[qing4 zhu2 nan2 shu1]

罄

qìng

to use up

笔

bǐ

writing brush; writing implement (pen, pencil etc) (CL:支[zhi1],枝[zhi1])

难

nán

difficult (to...)

书

shū

abbr. for 書經|书经[Shu1 jing1]