Dàn hợp xướng vừa nghe vừa phát âm rõ.

Dàn hợp xướng means choir or chorus.

• dàn can mean a group/ensemble
• hợp xướng means choral singing / chorus

Together, dàn hợp xướng is the natural way to say a choir.

The pattern vừa ... vừa ... means doing two things at the same time or both ... and ....

So:

• vừa nghe vừa phát âm rõ = listening while also pronouncing clearly

This structure is very common in Vietnamese.

Examples:

• Vừa ăn vừa nói. = eating while talking
• Vừa đi vừa hát. = walking while singing

Important: in other sentences, vừa can also mean just / recently, but that is not what it means here.

In Vietnamese, the object is often omitted if it is understood from context.

So nghe can simply mean:

• listen
• be listening
• hear

Even without saying exactly what is being listened to, the sentence is still grammatical. The missing object might be something obvious from the situation, such as:

• the teacher
• the music
• the model pronunciation
• another singer

English often wants a more explicit object, but Vietnamese does not always need one.

Phát âm is a common verb phrase meaning to pronounce.

• phát = emit / produce
• âm = sound

Together, phát âm means to produce sounds / pronounce words or sounds.

So in this sentence, it does not mean general speaking. It specifically refers to pronunciation.

In Vietnamese, words like rõ often come after the verb to describe how the action is done.

So:

• phát âm rõ = pronounce clearly

Here rõ means clear / clearly.

This is very natural Vietnamese word order. English usually puts clearly before or after the verb in a different way, but Vietnamese commonly uses:

• verb + rõ

Examples:

• nói rõ = speak clearly / explain clearly
• nghe rõ = hear clearly
• viết rõ = write clearly / write legibly

It functions like an adverb in English here, because it describes how the choir pronounces.

• rõ by itself often means clear
• after a verb, it often works like clearly

So:

• phát âm rõ = pronounce clearly

Vietnamese does not always separate adjectives and adverbs the way English does.

Vietnamese does not use articles the same way English does.

So dàn hợp xướng can mean:

• the choir
• a choir
• choirs in some contexts

The exact meaning depends on context.

This is very normal in Vietnamese. You usually do not need a word corresponding directly to the or a.

Vietnamese verbs do not change form for tense the way English verbs do.

So nghe and phát âm stay the same whether the meaning is present, past, or future. Time is usually understood from context or from time words.

Without extra context, this sentence could be understood as:

• a present description
• a habitual action
• part of an instruction/exercise description

If needed, Vietnamese could add time markers such as:

• đang for ongoing action
• đã for past
• sẽ for future

But this sentence has none of those, so the tense is left open.

Yes, it is grammatically natural.

It means something like the choir is listening and at the same time pronouncing clearly. That makes the most sense in a context like:

• language learning
• vocal training
• choir rehearsal
• pronunciation practice

On its own, it may feel slightly context-dependent, because English speakers may expect to know what they are listening to. But in Vietnamese, that omission is perfectly normal if the context already makes it clear.

Yes. Both are possible, depending on the style of translation.

For this sentence, these are all reasonable:

• The choir listens while pronouncing clearly.
• The choir both listens and pronounces clearly.
• While listening, the choir pronounces clearly.

The Vietnamese structure emphasizes that the two actions happen together. English can express that in more than one way.

No, that would not sound natural.

The natural order is:

• phát âm rõ

because rõ modifies the verb phrase and normally comes after it.

So this sentence should stay:

• Dàn hợp xướng vừa nghe vừa phát âm rõ.

Vietnamese word order is often stricter than English learners expect when it comes to these small descriptive words after verbs.