بيتي في الدور الاول.

A natural Egyptian pronunciation is:

bēti fid-dōr il-awwil

You may also see it written as:

beeti fid-door il-awwil

A quick breakdown:

• بيتي = bēti / beeti
• في = fi
• الدور = id-dōr / ed-dōr, but after fi it often sounds like fid-dōr
• الأول = il-awwil

A few pronunciation notes:

• بيت has a long ee sound.
• In الدور, the l of الـ blends into the d sound, so you hear d-dōr, not el-dōr.
• الأول in Egyptian is commonly pronounced il-awwil rather than a careful Standard Arabic-style pronunciation.

بيتي means my house or my home.

The word بيت means house/home, and the ending -ي means my.

So:

• بيت = house / home
• بيتي = my house / my home

This -ي ending is a possessive suffix. Arabic often shows possession by attaching a suffix directly to the noun instead of using a separate word like my.

Examples:

• كتابي = my book
• أختي = my sister
• بيتي = my house

Because in Arabic, especially in present-tense sentences like this, the verb to be is usually omitted.

So English:

• My house is on the first floor

becomes Arabic:

• بيتي في الدور الاول

Literally, it is closer to:

• My house in the first floor

This is completely normal in Arabic. You do not need to add a word for is in the present tense.

في means in or on, depending on the context.

In this sentence, it is being used in the sense of location:

• في الدور الاول = on the first floor

Even though في often literally means in, English and Arabic do not always match word-for-word. With floors, Arabic commonly uses في where English uses on.

Literally, الدور الاول means the first floor.

Breakdown:

• الدور = the floor / level / story
• الاول = the first

So together:

• الدور الاول = the first floor

In Egyptian Arabic, دور is commonly used for a building floor or story.

Because this is how Arabic commonly forms expressions like the first floor, the second lesson, the new book, and so on.

Here:

• الدور = the floor
• الاول = the first

Arabic often makes both parts definite in this kind of phrase. So الدور الاول is the normal way to say the first floor.

Compare:

• البيت الكبير = the big house
• الدرس الأول = the first lesson
• الدور الأول = the first floor

This is because د is a sun letter.

In Arabic, when الـ comes before a sun letter, the l sound assimilates to the next consonant. So:

• الدور is written with ال
• but pronounced more like id-dōr or ed-dōr

You do not say the l clearly here.

Other examples:

• الشمس → ish-shams
• الراجل → ir-rāgil
• الدور → id-dōr

It depends on what you mean.

• بيت can mean house or home
• شقة means apartment / flat

So if you are specifically talking about an apartment unit in a building, many Egyptians would often say:

شقتي في الدور الأول
= My apartment is on the first floor

But بيتي is still possible if you mean my home in a broader sense, not just the physical apartment.

Not always. This is an important cultural point.

In Egypt, الدور الأرضي is the ground floor, and الدور الأول is usually the floor above the ground floor.

So in many cases:

• الدور الأرضي = ground floor
• الدور الأول = first floor above that

This matches American usage more closely than British usage. A British English speaker should be especially careful, because first floor in British English often means the floor above the ground floor, while in American English that is also usually first floor. Still, when translating, it is always smart to check the local convention.

Yes.

بيت can mean:

• house
• home

So بيتي may mean:

• my house
• my home

Which one sounds better in English depends on context.

If someone is talking about where they live, my home may sound more natural. If they are talking about the building itself, my house may be more literal.

The word order is:

• بيتي = my house/home
• في = in/on
• الدور الاول = the first floor

So the pattern is:

[thing] + [location]

This is a very common Arabic structure for saying where something is.

Examples:

• الكتاب على الترابيزة = The book is on the table
• أخويا في البيت = My brother is at home
• بيتي في الدور الأول = My home is on the first floor

In everyday Egyptian speech, الأول is usually pronounced something like:

il-awwil

So while the spelling is الأول, the spoken form is often a bit different from what a learner might expect from the written Arabic.

This is normal in Egyptian Arabic:

• spelling may look closer to Standard Arabic
• pronunciation may reflect Egyptian speech

So you should get used to hearing:

• il-awwil rather than a very careful formal pronunciation.

Yes. The written sentence is already fine, but in everyday Egyptian speech you may hear pronunciation changes that make it sound more colloquial, such as:

بيتي فِ الدَّور الأوَّل

Or in transliteration: beeti fid-dawr il-awwil

What changes is mostly the pronunciation, not the basic structure.

So the written sentence remains normal, but spoken Egyptian will often sound smoother and more connected than the spelling suggests.