القهوة دي حلوة.

In Egyptian Arabic, this/that words often come after the noun.

So:

• القهوة دي = this coffee
• literally, it feels a bit like the coffee this

That word order is very natural in Egyptian Arabic.

دي is the feminine singular word for this. Since القهوة is feminine, دي matches it.

A masculine example would be:

• الشاي ده = this tea

So the pattern is often:

• noun + demonstrative
• القهوة دي
• الولد ده
• العربية دي

Because in Egyptian Arabic, the normal pattern is:

• definite noun + demonstrative

So القهوة دي is the normal way to say this coffee.

This is not considered redundant in Egyptian Arabic. Even though English just says this coffee, Egyptian usually says the equivalent of the coffee this.

So:

• قهوة دي would sound wrong in normal Egyptian
• القهوة دي is the expected form

Arabic usually leaves out is/am/are in the present tense.

So:

• القهوة دي حلوة literally looks like this coffee sweet
• but it means This coffee is sweet/nice

This is completely normal.

If you want other tenses, then Arabic uses a verb:

• القهوة دي كانت حلوة = This coffee was nice
• القهوة دي هتكون حلوة = This coffee will be nice

So in the present tense, the to be verb is usually just understood.

Because القهوة is a feminine noun, and adjectives must agree with the noun in gender.

So:

• feminine noun → feminine adjective
• القهوة ... حلوة

The masculine form is:

• حلو

The feminine form is:

• حلوة

Compare:

• الشاي ده حلو = This tea is sweet/nice
• القهوة دي حلوة = This coffee is sweet/nice

So both دي and حلوة are feminine because القهوة is feminine.

Because here حلوة is the predicate adjective: it is saying something about the coffee.

So:

• القهوة دي حلوة = This coffee is sweet/nice

But if you want to say the sweet coffee, where the adjective is directly attached to the noun, then the adjective does take الـ:

• القهوة الحلوة = the sweet coffee

So there is an important difference:

• القهوة دي حلوة = This coffee is sweet
• القهوة الحلوة = the sweet coffee

In Egyptian Arabic, القهوة is commonly pronounced something like el-’ahwa.

A few useful notes:

• الـ is usually pronounced el- or il- in Egyptian, not the more formal al-
• the letter ق in Cairene Egyptian is often pronounced as a glottal stop (’), not as q
• so قهوة sounds like ’ahwa

That gives:

• القهوة → el-’ahwa

Exact pronunciation can vary a little by region, but that is the common Egyptian pronunciation learners usually hear.

It can mean several related things, depending on context.

حلو / حلوة can mean:

• sweet
• nice
• good
• pleasant
• sometimes even pretty

With food or drinks, it can mean:

• literally sweet
• or more generally tasty / good

So with coffee, the exact meaning depends on context:

• sweet if you are talking about sugar or taste
• nice/good if you mean the coffee tastes good overall

That is why learners often see حلوة translated in more than one way.

Yes, this is clearly Egyptian Arabic.

The most obvious Egyptian feature here is دي for this.

In Modern Standard Arabic, the sentence would be different, for example:

• هذه القهوة حلوة

or with full case endings in very formal Arabic:

• هٰذِهِ القهوةُ حُلْوَةٌ

Some main differences:

• Egyptian often puts this after the noun: القهوة دي
• MSA usually puts this before the noun: هذه القهوة
• Egyptian pronunciation is also different, especially ق

So the sentence you gave is natural spoken Egyptian, not MSA.

The pattern is:

• noun + this/that + adjective

So:

• القهوة دي حلوة
• The coffee this sweet
• natural English: This coffee is sweet/nice

You can reuse this pattern with many nouns:

• العربية دي سريعة = This car is fast
• الأغنية دي حلوة = This song is nice
• الكتاب ده كبير = This book is big

So this is a very useful everyday Egyptian structure.

Two things would usually change:

1. دي would become ده
2. the adjective would usually change from feminine to masculine

For example:

• القهوة دي حلوة = feminine
• الشاي ده حلو = masculine

So compare:

• دي ↔ ده
• حلوة ↔ حلو

This agreement is very important in Arabic, and this sentence is a good example of it.

That final ة is called taa marbuuTa.

It often marks a word as feminine.

In your sentence:

• قهوة is a feminine noun
• حلوة is the feminine form of the adjective حلو

In pause, Egyptian usually pronounces this ending as an -a sound, not as a full t sound.

So:

• حلوة sounds like helwa
• not helwat in normal pause pronunciation

This is why learners often notice that many feminine words in Arabic end in ة.