شكرا. القهوة حلوة.

A natural Egyptian pronunciation would be:

• شكرا → shokran
• القهوة → el-'ahwa or il-'ahwa
• حلوة → helwa

So the full sentence is roughly:

Shokran. El-'ahwa helwa.

A few pronunciation notes:

• ش = sh
• ح in حلوة is a stronger, breathier h than English h
• ق in Egyptian Arabic is often pronounced as a glottal stop ', so قهوة sounds like 'ahwa
• The final ة usually sounds like -a in normal pause pronunciation

This is one of the best-known features of Egyptian Arabic.

In Modern Standard Arabic, ق is usually pronounced q, so قهوة is qahwa.

In Egyptian Arabic, ق is often pronounced as a glottal stop ' instead. So:

• قهوة → 'ahwa
• القهوة → el-'ahwa

So the spelling stays the same, but the pronunciation changes in the dialect.

In Arabic, the verb to be in the present tense is usually not expressed.

So:

• القهوة حلوة literally looks like the coffee sweet
• but it means The coffee is sweet

This is completely normal in Arabic.
The same thing happens in many simple present-tense sentences:

• الجو جميل = The weather is nice
• هو تعبان = He is tired

If you want past or future, Arabic does use other words, but in the simple present, is/am/are is normally omitted.

Because in Arabic, adjectives usually come after the noun they describe.

So:

• القهوة حلوة = the coffee is sweet
• literally: the coffee sweet

This is the normal word order for noun + adjective in Arabic.

Compare with English:

• English: sweet coffee
• Arabic: قهوة حلوة

Because قهوة is a feminine noun, and adjectives in Arabic must agree with the noun.

So:

• قهوة is feminine
• therefore the adjective must also be feminine
• sweet becomes حلوة rather than حلو

Compare:

• قهوة حلوة = sweet coffee / the coffee is sweet
• شاي حلو = sweet tea / the tea is sweet

Here, شاي is treated as masculine, so the adjective is حلو.

It can mean sweet, but in Egyptian Arabic حلو / حلوة is also a very common everyday word meaning:

• nice
• good
• pleasant
• tasty
• lovely

So depending on context, القهوة حلوة could mean:

• The coffee is sweet
• The coffee is nice
• The coffee tastes good

If the meaning has already been given to the learner, that is the one to follow, but it is useful to know that حلوة is broader than just literal sugar-sweetness.

الـ is the Arabic definite article, meaning the.

So:

• قهوة = coffee / a coffee
• القهوة = the coffee

In Egyptian Arabic, الـ is usually pronounced el- or il-, so:

• القهوة → el-'ahwa

That is why the sentence means the coffee, not just coffee in a general sense.

Yes, but the meaning changes slightly.

• القهوة حلوة = The coffee is sweet/nice
• قهوة حلوة = sweet coffee or a sweet coffee

So without ال, it sounds more indefinite or more like a general noun phrase.
With ال, it sounds like you are talking about a specific coffee.

That letter is called taa marbuuTa (ة). It often marks feminine nouns and adjectives.

In this sentence:

• قهوة is feminine
• حلوة is the feminine form of حلو

In pause, ة is usually pronounced -a, which is why you hear:

• 'ahwa
• helwa

But in some grammatical contexts, especially in very careful speech or formal Arabic, it can sound more like t.

Because Arabic is normally written without most short vowels.

So the text:

• شكرا. القهوة حلوة.

does not show every vowel sound in the way English writing usually does. Native speakers already know the patterns, and learners gradually learn them too.

That is why beginners often use transliteration such as:

• shokran
• el-'ahwa
• helwa

The Arabic spelling gives the consonants and long vowels, and the reader supplies the rest.

Yes, very often.

شكرا means thanks or thank you and is one of the most common polite expressions in Arabic.

In Egyptian Arabic, it is usually pronounced shokran.

You can use it on its own, just like in this sentence:

• شكرا.
• Thanks.

You may also hear longer versions such as:

• شكرا جدا = thank you very much
• متشكر / متشكرة = another way to say thank you in Egyptian Arabic

So شكرا is a very useful basic word to know.