German phrase
Sie haben ~ fallen lassen.
Meaning
You've dropped ___
When to use it
Tells someone they dropped it. It is polite, direct, and not blaming, often used formally.
Example dialogue
Entschuldigen Sie, Sie haben Ihre Tasche mit den Einkäufen fallen lassen.
Excuse me, you've dropped your bag of groceries.
Oh nein, vielen Dank! Ich habe das nicht bemerkt.
Oh no, thank you very much! I didn't notice it.