enter
The Italian word 'entrare' means 'to enter' in English. It is used to describe the action of going into a place, such as a room, a building, or a country. For example, 'Entra nella stanza' means 'Enter the room' in English.
Can you enter my room?
This sentence is a polite way to ask someone if they can enter your room. 'Puoi' is an auxiliary verb used to form the present indicative, expressing a polite request. 'Nella' is a preposition which indicates the place.
It isn't possible to enter without permission.
The sentence is a statement expressing that permission is required to enter a certain place. 'Non è possibile' is a negative phrase stating that something is not possible. 'Senza' is a preposition meaning 'without', used here to express the absence of permission.
After knocking, is it allowed to enter?
The sentence is a question asking if it's permissible to enter after performing the action of knocking. 'Dopo aver bussato' is a compound phrase indicating an action happened before another one. 'È consentito' is a passive voice phrase indicating an allowance or permission.