Augen auf
Translation
Eyes open!, Watch out!, Pay attention!
Examples
Augen auf im Straßenverkehr!
Keep your eyes open in traffic!
Augen auf, hier kommt der Ball!
Watch out, here comes the ball!
Grammar Patterns
Augen auf bei et3! Keep your eyes open when it comes to sth.! Keep your eyes open when choosing a partner!
Similar Words
Synonyms: Watch out!, Be careful!; Antonym: Augen zu! (Eyes closed!)
Etymology
Literally 'Eyes (Augen) on/open (auf)'. 'Auf' is a short form of 'aufmachen' (to open).
Memory Tips
It's a direct command to be alert. Imagine a guard shouting 'Eyes open!' to a sleepy colleague.