Il portinaio conosce bene il sarto del quartiere.

Il is the masculine singular definite article in Italian, equivalent to the in English.

So:

• il portinaio = the doorman / concierge / porter
• il sarto = the tailor

Italian articles usually have to agree with the noun’s gender and number. Both portinaio and sarto are masculine singular nouns, so il is the correct article for both.

Portinaio usually means doorman, porter, or building concierge, depending on context.

In Italian, a portinaio is traditionally the person who works at the entrance of a building, especially an apartment building, and may supervise the entrance, receive mail or packages, and help residents.

So it is not just any person standing by a door; it often refers to a specific job.

Yes. Conosce is from the verb conoscere, which means to know in the sense of:

• being familiar with someone
• knowing a person
• knowing a place
• being acquainted with something

In this sentence, Il portinaio conosce bene il sarto del quartiere, it means that the doorman knows the neighborhood tailor.

This is different from sapere, which is used more for knowing a fact or knowing information.

For example:

• Conosco Maria. = I know Maria.
• So dove abita Maria. = I know where Maria lives.

Because the subject is il portinaio, which is he / the doorman: third person singular.

The present tense of conoscere is:

• io conosco = I know
• tu conosci = you know
• lui / lei conosce = he / she knows
• noi conosciamo = we know
• voi conoscete = you all know
• loro conoscono = they know

So conosce matches il portinaio.

Bene means well.

So conosce bene means:

• knows well
• knows very well
• is quite familiar with

In Italian, bene is an adverb, and here it modifies the verb conosce.

That is the normal word order in Italian. Adverbs like bene often come after the verb:

• parla bene = he/she speaks well
• scrive bene = he/she writes well
• conosce bene = he/she knows well

English also often does this: knows well.

So the position of bene here is very natural.

Del quartiere means of the neighborhood or more naturally in English, in the neighborhood / from the neighborhood, depending on context.

It is made of:

• di = of
• il = the
• del = contraction of di + il

So:

• il sarto del quartiere literally = the tailor of the neighborhood
• more natural English = the neighborhood tailor or the tailor in the neighborhood

In Italian, di + il normally contracts to del.

This is very common:

• di + il = del
• di + lo = dello
• di + la = della
• di + i = dei
• di + gli = degli
• di + le = delle

So il sarto del quartiere is just the normal contracted form of il sarto di il quartiere, though the uncontracted version would not be used in standard Italian.

It describes sarto.

So the structure is:

• Il portinaio = the subject
• conosce bene = the verb phrase
• il sarto del quartiere = the object

Within that object, del quartiere specifies which tailor we mean: the tailor of the neighborhood, not the doorman of the neighborhood.

So the sentence means that the doorman knows the neighborhood tailor well.

Yes, that is a possible English rendering depending on context, but the most natural interpretation is usually the neighborhood tailor.

Italian del quartiere can be understood in slightly different ways in English:

• the tailor of the neighborhood
• the neighborhood tailor
• the tailor from the neighborhood
• the tailor in the neighborhood

The exact best translation depends on the situation, but grammatically it is identifying the tailor by his relation to the neighborhood.

Because Italian does not use do-support the way English does.

In English, we say:

• The doorman knows the tailor.
• Does the doorman know the tailor?
• The doorman does not know the tailor.

In Italian, the main verb itself changes or is used directly:

• Il portinaio conosce il sarto.
• Il portinaio conosce il sarto?
• Il portinaio non conosce il sarto.

So no extra verb like do/does is needed.

Yes. This is a very standard Italian sentence pattern:

subject + verb + adverb + object

• Il portinaio = subject
• conosce = verb
• bene = adverb
• il sarto del quartiere = object

Italian word order can be flexible, but this sentence uses a very normal and straightforward order.

Yes, portinaio is masculine singular, and the ending -o often signals a masculine noun.

The feminine form is usually portinaia.

So:

• il portinaio = the male doorman / concierge
• la portinaia = the female doorman / concierge

Likewise:

• il sarto = the male tailor
• la sarta = the female tailor

A helpful approximate pronunciation is:

eel por-tee-NYAH-yo ko-NO-shay BEH-neh eel SAR-to del kwar-TYEH-reh

A few pronunciation notes:

• ti in portinaio sounds like tya before aio
• sc before e in conosce sounds like sh
• qua in quartiere sounds like kwa
• tie in quartiere sounds roughly like tye

If you want to sound more natural, keep the vowels clear and short, and pronounce every syllable.

No, not in normal Italian.

Italian uses definite articles much more often than English does. In this sentence, both nouns need their articles:

• il portinaio
• il sarto

Leaving them out would sound ungrammatical or very unnatural in standard Italian.

You would change the object to plural:

• Il portinaio conosce bene i sarti del quartiere.

That means The doorman knows the tailors in the neighborhood well.

Changes:

• il sarto → i sarti
• del quartiere can stay the same, because quartiere is still singular: of the neighborhood

You can say:

Il portinaio conosce molto bene il sarto del quartiere.

Here molto bene means very well.

So:

• bene = well
• molto bene = very well