The Chinese idiom 宁缺勿滥 is formed by the sequential combination of four characters: 宁 (meaning "rather"), 缺 (meaning "to lack"), 勿 (meaning "do not"), and 滥 (meaning "excessive" or "substandard"). The characters 宁 and 勿 establish a grammatical framework that sets up a contrast, placing 缺 and 滥 in opposition, which literally constructs the meaning "rather lack than be excessive", conveying a preference for absence over poor quality.