under your nose
US /ˈʌndər jʊər noʊz/
UK /ˈʌndər jʊər noʊz/

1.
vor der Nase, direkt vor Augen
in plain sight; in an obvious place, but often unnoticed
:
•
The keys were right under your nose the whole time.
Die Schlüssel lagen die ganze Zeit direkt vor deiner Nase.
•
He didn't realize the answer was right under his nose.
Er merkte nicht, dass die Antwort direkt vor seiner Nase lag.