noun
spot check; snap inspection; surprise test
An unannounced inspection or test, often used in workplace, school, or regulatory contexts. Related to 抜き打ち (surprise, unannounced).
See also: 抜き打ち
会社で抜き打ち検査が行われた。
A spot check was conducted at the company.
抜き打ち検査に備えて、常に整理整頓を心がけている。
I always keep things tidy in case of a surprise inspection.