百密一疏 bǎimìyīshū even the most careful make mistakes Origin Definitions Defs Strokes Stroke Words Sentences Sents 百 bǎi numeral numerous numerous; many; all kinds of; used to describe a great variety or large quantity密 mì adjectiveadverb meticulous fine; meticulous; thorough; precise一 yī numeral one one; the number 1; single; alone疏 shū nounverb negligent negligent; careless; to neglect; to overlook