Le professeur prononce chaque syllabe lentement.

In French, singular countable nouns usually need a determiner, such as le, la, un, une, ce, mon, etc.

So:

• le professeur = the teacher
• un professeur = a teacher

Saying just professeur by itself would normally be incomplete in a full sentence.

Professeur can mean both, depending on context.

In everyday French:

• un professeur can be a school teacher
• it can also mean a professor, especially in more formal or academic contexts

If French speakers want to be more specific, they may use:

• un prof = teacher / prof (informal)
• un professeur d’université = university professor

So in this sentence, le professeur is best understood as the teacher unless the context says otherwise.

Chaque means each or every, and it is followed by a singular noun.

So:

• chaque syllabe = each syllable / every syllable

This focuses on the syllables one by one.

By contrast:

• toutes les syllabes = all the syllables

That refers to the whole group rather than highlighting each individual item.

Because chaque is invariable and is followed by a singular noun.

Correct:

• chaque syllabe

Not correct:

• chaques syllabes

Even though the meaning may feel plural in English (every syllable), French uses the singular form after chaque.

The basic form is prononcer, which means to pronounce.

Prononce here is the present-tense form used with il/elle/on:

• je prononce
• tu prononces
• il/elle/on prononce
• nous prononçons
• vous prononcez
• ils/elles prononcent

Since le professeur is singular, French uses prononce.

Prononce is pronounced roughly like pro-nonss.

A few helpful points:

• the pr at the beginning is pronounced clearly
• the o is like the vowel in French eau or mot
• on is a nasal sound in many forms of the verb, but in prononce, the spelling and sound lead into a pronounced n before the final consonant sound
• the final -ce sounds like ss

A simple learner-friendly approximation is:

• pro-nonss

The exact French pronunciation is more precise than the English approximation, of course.

Because lentement is an adverb, and in this sentence it modifies the verb prononce.

French adverbs often come after the verb, especially when they describe how an action is done.

So:

• prononce lentement = pronounces slowly

The object chaque syllabe comes after the verb, and lentement follows naturally after that:

• Le professeur prononce chaque syllabe lentement.

French word order is often:

• subject + verb + object + adverb

Sometimes yes, but the most natural position here is after the verb phrase.

Most natural:

• Le professeur prononce chaque syllabe lentement.

You may also see adverbs in other positions for emphasis or style, but this is the standard neutral order.

French is generally less flexible than English about moving adverbs around casually, especially in ordinary learner-level sentences.

Lentement is an adverb, meaning slowly.

It comes from the adjective:

• lent = slow
• lente = slow (feminine)

Then French often forms adverbs with -ment:

• lente
  • -ment → lentement

This is similar to how English often adds -ly:

• slow → slowly

Syllabe is feminine.

So you would say:

• la syllabe
• une syllabe

In the sentence, you do not see la, because chaque replaces the article:

• chaque syllabe

Because chaque already functions as the determiner.

In French, you usually do not stack chaque with le/la/un/une in this kind of structure.

So:

• chaque syllabe = correct
• chaque la syllabe = incorrect
• chaque une syllabe = incorrect

In natural speech, French speakers link words smoothly together, and you may hear liaisons or flowing connections.

A learner-friendly pronunciation guide could be:

luh प्रो-fay-sur pruh-nons shak see-lab lon-tuh-mon

More carefully broken down:

• Le professeur
• prononce
• chaque syllabe
• lentement

A few notes:

• le is often very light
• professeur has stress much flatter than in English
• chaque sounds roughly like shak
• syllabe sounds roughly like see-lab
• lentement ends with a nasal vowel sound, not a strong English n

Yes. Traditionally, professeur has often been used for both men and women, especially in formal usage.

So:

• le professeur can refer to a male teacher
• in some contexts, a female teacher may also still be called le professeur

However, modern French increasingly also allows feminine forms or feminine agreement depending on region, register, and preference.

If the teacher is clearly female, you may also encounter:

• la professeure

Usage varies, but for learners, it is useful to know that professeur has often functioned as a standard general form.

Yes.

In many contexts, chaque can be translated as either:

• each
• every

So:

• Le professeur prononce chaque syllabe lentement. can mean:
• The teacher pronounces each syllable slowly.
• The teacher pronounces every syllable slowly.

The difference in English is very small here, and both are natural.