El ruido del pasillo me hizo perder la concentración durante la presentación.

Because del is the contraction of de + el.

• de el pasillo → del pasillo
• This happens whenever de is followed by the masculine singular article el

So:

• el ruido del pasillo = the noise from/of the hallway

A similar contraction is:

• a + el = al

Example:

• Voy al pasillo = I’m going to the hallway

This is the pattern hacer + infinitive, which often means to make someone do something or to cause something to happen.

So:

• me hizo perder la concentración = it made me lose concentration
• more literally: it caused me to lose concentration

Breakdown:

• hizo = made / caused (preterite of hacer)
• perder = to lose
• me = me

This structure is very common in Spanish:

• La película me hizo llorar = The film made me cry
• El profesor nos hizo repetir la frase = The teacher made us repeat the sentence

Me refers to the person affected by the action: the noise made me lose concentration.

In English, me comes right after made:

• The noise made me lose concentration

Spanish does something very similar:

• El ruido ... me hizo perder la concentración

So me is the person who ends up doing the infinitive action (perder), because the noise caused that to happen.

This is a very common pattern:

• Me hizo reír = It made me laugh
• Te hizo pensar = It made you think
• Nos hizo esperar = It made us wait

Spanish often uses the definite article where English does not, especially with abstract nouns or general concepts.

So Spanish says:

• perder la concentración

while English usually says:

• to lose concentration

This is normal Spanish usage, not something unusual about this sentence.

Other examples:

• Tengo la impresión de que... = I have the impression that...
• Perdió la paciencia = He/She lost patience
• Recobró la confianza = He/She regained confidence

So even though English drops the article, Spanish often keeps it.

Hizo is the preterite of hacer, and here it presents the action as a completed event: the hallway noise caused a loss of concentration during the presentation.

• hizo = made / caused as a finished event

This fits the idea of a specific incident.

Compare:

• El ruido me hizo perder la concentración
  = the noise caused it on that occasion

If you used the imperfect:

• El ruido me hacía perder la concentración

that would suggest something more ongoing, repeated, or habitual:

• The noise kept making me lose concentration
• The noise used to make me lose concentration

So hizo is right for one completed occurrence.

Durante means during.

So:

• durante la presentación = during the presentation

It tells us when the loss of concentration happened.

This is a straightforward time expression:

• durante la clase = during the lesson
• durante la cena = during dinner
• durante el viaje = during the trip

In this sentence, it places the event in the middle of the presentation, not before or after it.

Yes, but the meaning shifts slightly.

• durante la presentación = during the presentation
• en la presentación = at the presentation / in the presentation

In this sentence, durante is better because it emphasizes that the noise interrupted concentration while the presentation was happening.

If you said:

• El ruido del pasillo me hizo perder la concentración en la presentación

it may still be understood, but it sounds less precise here. Durante is the more natural choice for the idea of interruption over that time period.

Pasillo usually means hallway, corridor, or passage.

In Spain, pasillo is a very common everyday word for a corridor inside a building.

So:

• el ruido del pasillo = the noise from the hallway

Depending on context, English might translate it as:

• hallway
• corridor

Both work well here.

Yes. The subject is:

• El ruido del pasillo = the noise from the hallway

That is the thing doing the causing.

The structure is:

• El ruido del pasillo = subject
• me hizo perder la concentración = verb phrase
• durante la presentación = time phrase

So literally:

• The hallway noise made me lose concentration during the presentation

Yes. A common alternative is:

• El ruido del pasillo hizo que perdiera la concentración durante la presentación.

This uses:

• hacer que + subjunctive

So you now get:

• hizo que perdiera

instead of:

• me hizo perder

Both are correct, but they feel a bit different.

In this sentence:

• me hizo perder la concentración sounds direct and natural
• hizo que perdiera la concentración sounds a little more formal or more explicitly structured

Both mean essentially the same thing.

Yes, absolutely.

A simpler version would be:

• El ruido del pasillo me desconcentró durante la presentación.

That means something like:

• The noise from the hallway distracted me / broke my concentration during the presentation.

The original sentence:

• me hizo perder la concentración

is slightly more explicit: it literally says the noise made me lose concentration.

The version with desconcentró is more compact and very natural too.

Because after hacer in this causative structure, Spanish normally uses an infinitive.

Pattern:

• hacer + infinitive

Examples:

• Me hizo reír = It made me laugh
• Me hizo pensar = It made me think
• Me hizo perder la concentración = It made me lose concentration

So after hizo, you do not conjugate perder here. You leave it in the infinitive.

Not:

• me hizo perdí
• me hizo perdiera

In this structure, the natural form is:

• me hizo perder

With infinitives, pronouns can often attach to the end, but in this sentence that would not be the natural choice.

The normal version is:

• El ruido del pasillo me hizo perder la concentración

Attaching the pronoun to the infinitive:

• El ruido del pasillo hizo perderme la concentración

sounds wrong or very unnatural here.

That is because me belongs naturally with hizo in this causative pattern: made me lose.

So the best structure is:

• me hizo perder

not:

• hizo perderme

Yes, it sounds natural in Spain.

It is clear, standard, and idiomatic. A speaker in Spain would understand it immediately.

Possible natural alternatives in Spain would include:

• El ruido del pasillo me hizo perder la concentración durante la presentación.
• El ruido del pasillo me desconcentró durante la presentación.
• El ruido del pasillo hizo que perdiera la concentración durante la presentación.

The original sentence is perfectly good everyday Spanish.