knock at

knock at something

to knock [on something] at a particular location. I could hear someone knocking at the door next to mine. Who is knocking at the door?

Name	Pronounced	Usage
Ivan	['aivən]
Doris	DAWR-is (English), DO-ris (German)	English, German, Croatian, Ancient Greek, Greek Mythology
Anselmo	-	Italian, Spanish, Portuguese
Jordi	-	Catalan
Laurissa	lə-RIS-ə	English (Rare)
Kayin (2)	-	Biblical Hebrew