zamknout
co lock (up), shut (up), (na visací zámek) padlock sth
Zamkl jsi (dveře)?
Have you locked the door?
Je zamčeno.
It's locked.
Zamkl mě v kanceláři.
He locked me up in the office.
Zamkla se v pokoji.
She locked herself in her room.
Dům se v noci zamyká.
The house is locked up at night.