المدافع جنب حارس المرمى.

A natural Egyptian-style pronunciation is:

el-modāfeʕ gamb ḥāres el-márma

A few useful notes:

• ج is usually pronounced g in Egyptian Arabic, so جنب sounds like gamb or ganb.
• ح in حارس is a stronger, breathier h sound than English h.
• ع at the end of المدافع is the sound ʕ, a deep throat sound. Many learners need time to get used to it.
• الـ here is pronounced el- because م is a moon letter, so the l is clearly heard in المدافع and المرمى.

Because in Arabic, present-tense sentences like this usually do not use a separate word for is / am / are.

So Arabic says:

• المدافع جنب حارس المرمى

  Literally, it is more like:

• The defender next to the goalkeeper

But the meaning is understood as:

• The defender is next to the goalkeeper

This is very normal in both Egyptian Arabic and Standard Arabic. If you wanted the past, then you would use a verb such as كان.

Here جنب means next to, beside, or by the side of.

In Egyptian Arabic, جنب is a very common everyday way to express location. It can also literally mean side, but in sentences like this it functions as a location word:

• أنا جنب الباب = I’m next to the door
• العربية جنب البيت = The car is next to the house

So in your sentence, جنب حارس المرمى means next to the goalkeeper.

Because حارس المرمى is an iḍāfa structure, often called a construct phrase.

This structure is very common in Arabic and works like:

• X of Y

So:

• حارس المرمى = keeper of the goal = goalkeeper

In an iḍāfa:

• the first noun usually does not take الـ
• the second noun shows whether the whole phrase is definite

Since المرمى is definite, the whole phrase حارس المرمى is definite and means the goalkeeper.

That is why حارس has no الـ here, even though the full phrase is definite.

Because they are working differently in the sentence.

• المدافع is a standalone noun, so if you mean the defender, you add الـ directly.
• حارس is the first word in the iḍāfa حارس المرمى, so it usually stays without الـ.

So:

• المدافع = the defender
• حارس المرمى = the goalkeeper

This is one of the most important grammar patterns in Arabic: a noun can be definite either:

• by taking الـ itself, or
• by being the first part of an iḍāfa whose second part is definite

It is very understandable, and parts of it work in both. But it feels especially natural in Egyptian-style everyday speech because of جنب.

A few points:

• المدافع and حارس المرمى are fine in both Standard Arabic and Egyptian.
• جنب is very common in spoken Arabic, including Egyptian.
• In more formal Standard Arabic, you might also see:
  • المدافع بجانب حارس المرمى
  • المدافع إلى جانب حارس المرمى

So your sentence is perfectly useful for an Egyptian learner, and native speakers would understand it easily.

Yes. بجانب also means beside / next to.

So you could say:

• المدافع بجانب حارس المرمى

This sounds a bit more formal or a bit closer to Standard Arabic. In everyday Egyptian speech, جنب is often simpler and more common.

So both are possible, but:

• جنب = very common, everyday
• بجانب = also correct, slightly more formal

Yes, but the focus changes.

Your sentence:

• المدافع جنب حارس المرمى

starts with the defender, so that is the main topic.

You could also say:

• حارس المرمى جنب المدافع

That describes the same basic position, but now the goalkeeper is the starting point of the sentence.

So the location relation is the same, but Arabic word order can shift what sounds like the main topic or point of attention.

المرمى is the Arabic word used in sports for the goal. In this context it means the football goal, not a personal objective.

So:

• حارس المرمى = the keeper/guardian of the goal
• in natural English: the goalkeeper

Learners often notice that Arabic sports terms are sometimes built very transparently from smaller pieces, and this is a good example.

No. In Egyptian Arabic, you do not pronounce the case endings that belong to formal Standard Arabic grammar.

So in Egyptian, you simply say:

• المدافع جنب حارس المرمى

without adding final case vowels.

If you were studying fully formal Standard Arabic grammar, you might analyze the sentence more deeply, but for Egyptian speech, the form you see here is already what you need.