an meine Tür

at my door

→ an
phrase Rare #44,310
at my door Used with verbs such as knock, scratch, or urinate to indicate an action directed at the speaker’s door. The preposition “an” changes to “an meiner” when used with verbs describing a location rather than movement toward it.
GE: Jemand klopft an meine Tür.
EN: Someone is knocking at my door.

Daran hätten Sie denken sollen, bevor Sie an meine Tür gepinkelt haben.

You should have thought about that before you peed on my door.

— 3 Idiots (2009)

Willst du an meine Tür pinkeln?

Do you want to pee on my door?

— 3 Idiots (2009)

Kaum war ich eingeschlafen, klopfte Tom an meine Tür.

As soon as I fell asleep, Tom knocked on my door.