Η πολλή φασαρία δυσκολεύει τη συγκέντρωσή μου.

Because φασαρία is a feminine singular noun.

So πολύς, πολλή, πολύ changes to match the noun:

• πολύς for masculine singular
• πολλή for feminine singular
• πολύ for neuter singular
• πολλοί / πολλές / πολλά for plurals

Here, φασαρία is also an uncountable idea, like noise in English, so Greek uses singular πολλή in the sense of much / a lot of:

• πολλή φασαρία = a lot of noise

Greek uses the definite article much more often than English does.

So η πολλή φασαρία can sound natural in Greek even where English would simply say:

• a lot of noise
• the noise
• all that noise
• the excessive noise

In this sentence, η πολλή φασαρία refers to the noise as the thing causing the problem. The article helps make it feel like a specific, identifiable factor in the situation.

Φασαρία can mean:

• noise
• commotion
• fuss
• ruckus

In this sentence, it most naturally means noise or too much noise.

So although the word can be broader than just sound, here it is clearly about noise that interferes with focusing.

Δυσκολεύει is the 3rd person singular present of δυσκολεύω.

Here it means:

• makes difficult
• hinders
• interferes with

It takes a direct object, so:

• Η πολλή φασαρία = the subject
• δυσκολεύει = the verb
• τη συγκέντρωσή μου = the direct object

A very literal breakdown would be:

• The much noise makes difficult my concentration

More natural English would be:

• A lot of noise makes it hard for me to concentrate
• Too much noise interferes with my concentration

Because the subject is η φασαρία, which is singular.

Even though πολλή gives the idea of a lot of, the main noun is still singular:

• η φασαρία = the noise

So the verb must also be singular:

• η φασαρία δυσκολεύει

If the subject were plural, the verb would be plural too:

• Οι φασαρίες δυσκολεύουν... = The noises / disturbances make ... difficult

In Modern Greek, the final -ν of την is often dropped before certain consonants.

Before σ in συγκέντρωση, the usual form is:

• τη συγκέντρωση

So:

• τη συγκέντρωσή μου is completely normal and standard

You may also see την kept in some writing styles, but τη is the expected everyday form here.

The basic noun is συγκέντρωση.

When a weak pronoun such as μου follows a word like this, Greek often adds an extra written accent:

• συγκέντρωση
• συγκέντρωσή μου

This happens because μου is an enclitic, and Greek spelling marks the stress pattern more clearly in that situation.

So this does not mean the noun has changed into a different word. It is still συγκέντρωση, just written as συγκέντρωσή μου because μου follows it.

Because in Greek, weak possessive pronouns usually come after the noun:

• το βιβλίο μου = my book
• η ιδέα μου = my idea
• τη συγκέντρωσή μου = my concentration

So Greek normally says something closer to:

• the concentration my

That is just the standard Greek pattern.

If you want strong emphasis, Greek can use a fuller form such as:

• η δική μου συγκέντρωση

But the neutral everyday choice is συγκέντρωσή μου.

Here is the grammatical breakdown:

• Η πολλή φασαρία = nominative
  • this is the subject
• δυσκολεύει = verb
• τη συγκέντρωσή μου = accusative
  • this is the direct object
• μου = a weak genitive pronoun used to show possession

One useful detail: the noun συγκέντρωση has the same form in nominative and accusative singular. The article shows the case:

• η συγκέντρωση = nominative
• τη συγκέντρωση = accusative

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

The sentence as written:

• Η πολλή φασαρία δυσκολεύει τη συγκέντρωσή μου

is a neutral, natural order:

• subject + verb + object

But other orders are possible for emphasis, for example:

• Δυσκολεύει τη συγκέντρωσή μου η πολλή φασαρία
• Τη συγκέντρωσή μου τη δυσκολεύει η πολλή φασαρία

These versions shift the emphasis, but the basic meaning stays the same.

No. Συγκέντρωση can have more than one meaning, depending on context. Common meanings include:

• concentration = mental focus
• gathering / assembly
• collection / accumulation

In this sentence, because it is something that noise can make difficult, the meaning is clearly:

• concentration
• ability to focus