Η παρατήρηση του εκπαιδευτικού εξηγεί καθαρά το πρόβλημα.

Because Greek commonly uses the genitive after a noun to show possession or close association.

So:

• η παρατήρηση = the observation / remark
• του εκπαιδευτικού = of the teacher / the teacher's

Together, η παρατήρηση του εκπαιδευτικού means the teacher's observation or the observation of the teacher.

It can be understood as either one, because those are just two natural English ways to translate the Greek genitive.

In this sentence, it most naturally means:

• the teacher's observation
• that is, the observation made by the teacher

If you wanted to say an observation about the teacher, Greek would usually use a different structure, such as για τον εκπαιδευτικό.

Here it is a noun, meaning teacher or educator.

The basic form is ο εκπαιδευτικός = the teacher / educator.

Its genitive singular is του εκπαιδευτικού.

A learner may notice that εκπαιδευτικός can also be an adjective meaning educational, but in this sentence it clearly functions as a noun because it stands on its own after the article.

εξηγεί is the 3rd person singular present form of εξηγώ, meaning to explain.

So εξηγεί means:

• he/she/it explains
• or, depending on context, he/she/it is explaining

Here the subject is η παρατήρηση, which is singular, so εξηγεί means explains.

καθαρά is an adverb, and here it means clearly.

It modifies the verb εξηγεί, not the noun το πρόβλημα.

So the structure is:

• εξηγεί καθαρά = explains clearly

A useful thing to know is that many Greek adverbs have the same form as the neuter plural form of an adjective. So καθαρά comes from καθαρός = clear / clean.

Because πρόβλημα is a neuter noun, and here it is the direct object of the verb εξηγεί.

So:

• το πρόβλημα = the problem

With many neuter nouns in Greek, the nominative and accusative singular look the same. That is why the form does not change here.

Greek uses the definite article more often than English.

In this sentence:

• Η marks παρατήρηση
• του marks the genitive phrase εκπαιδευτικού
• το marks πρόβλημα

English often prefers structures like the teacher's observation, where the article is not repeated in the same way. Greek normally keeps the article with each definite noun phrase.

Yes, Greek word order is more flexible than English word order, because case endings and articles help show what each word is doing.

The sentence as written has a fairly neutral order:

• Subject + Verb + Adverb + Object

That is:

• Η παρατήρηση του εκπαιδευτικού = subject
• εξηγεί = verb
• καθαρά = adverb
• το πρόβλημα = object

Other orders are possible, but they usually change the emphasis rather than the basic meaning. Still, not every possible rearrangement sounds equally natural.

παρατήρηση can mean several related things, depending on context:

• observation
• remark
• comment

In a more formal or academic context, observation is often a good match. In everyday speech, it can sometimes feel closer to remark or comment.

So the exact English word depends on the situation, even though the Greek grammar stays the same.

You would normally say:

Η παρατήρηση της εκπαιδευτικού εξηγεί καθαρά το πρόβλημα.

The main change is:

• του εκπαιδευτικού = of the male teacher
• της εκπαιδευτικού = of the female teacher

Notice that the noun form εκπαιδευτικού stays the same here, while the article changes from του to της.