抜ぬき打うち調ちょう査さ

noun

spot check; snap inspection; surprise test

An unannounced inspection or test conducted without prior warning. Often used in workplace, school, or regulatory contexts.

See also: 抜き打ち検査 (ぬきうちけんさ)

• 抜ぬき打うち調ちょう査さが入はいって、書しょ類るいを全ぜん部ぶチェックされた。

  A spot check was conducted and all the documents were inspected.

• 先せん生せいが抜ぬき打うち調ちょう査さとして小しょうテストをした。

  The teacher gave a surprise quiz as a spot check.