knacka på

== Swedish == === Etymology === knacka (“knock”) +‎ på (“on”) === Pronunciation === IPA(key): /ˈknakˌa poː/ === Verb === knacka på (present knackar på, preterite knackade på, supine knackat på, imperative knacka på) to knock on a door (to attract the attention of someone inside, to be let in or talk to or otherwise interact with them – usually the front door) ==== Usage notes ==== Just knacka is a bit less idiomatic for the case above, but not wrong per se. === References === “knacka på”, in Svensk ordbok [Dictionary of Swedish] (in Swedish)