aufhorchen

== German == === Etymology === auf- +‎ horchen === Pronunciation === === Verb === aufhorchen (weak, third-person singular present horcht auf, past tense horchte auf, past participle aufgehorcht, auxiliary haben) (transitive) to listen up closely ==== Conjugation ==== === Further reading === “aufhorchen” in Duden online “aufhorchen” in Digitales Wörterbuch der deutschen Sprache