mosterd na de maaltijd

== Dutch == === Etymology === Literally, “mustard after the meal”. === Pronunciation === IPA(key): /ˌmɔs.tərt naː də ˈmaːl.tɛi̯t/ === Noun === mosterd na de maaltijd m (uncountable, no diminutive) (idiomatic) a solution to a problem that has already occurred, closing the stable door after the horse has bolted