Correct

罄竹难书

/ qìng zhú nán shū /
Strokes

Definition

so many that the bamboo slats have been exhausted/innumerable crimes (idiom)/see also 罄笔难书[qìng bǐ nán shū]

Example

Definition

one would find it difficult to record all the facts, esp crimes, even if one used up all the bamboo slips―be too many to record/mention/enumerate