Dum alii discipuli scribunt, Lucia pergit legere, Marcus autem paulisper scribere desinit ut magistram audiat.

Here dum means while.

So Dum alii discipuli scribunt means While the other students are writing.
In this kind of sentence, dum often introduces an action happening at the same time as the main action.

Because Latin very often uses dum + present indicative to describe an action going on at the same time as the main clause.

So:

• dum ... scribunt = while ... are writing

This is a very common and straightforward pattern. Even if English might sometimes vary its tense wording, Latin often keeps the present indicative after dum for simultaneous action.

Alii discipuli means the other students or some other students, depending on context.

A few helpful points:

• alii is the plural of alius, meaning other or another
• discipuli means students or pupils

So together they mean other students.

In some contexts, alii can suggest some ... others, but here the natural meaning is simply the other students.

Because it is describing discipuli, which is plural.

Latin adjectives must agree with the nouns they describe in:

• number
• gender
• case

Here:

• discipuli = masculine plural nominative
• alii = masculine plural nominative

They match, because alii describes discipuli.

Pergit legere means she continues to read.

The verb pergo can be followed by an infinitive to mean continue to do something.

So:

• pergit = she continues
• legere = to read

Together:

• pergit legere = continues to read

This is called a complementary infinitive: the infinitive completes the meaning of the main verb.

Because both depend on another verb.

In this sentence:

• pergit legere = continues to read
• scribere desinit = stops writing

In each case, the infinitive gives the action that is being continued or stopped.

This is very normal in Latin with verbs like:

• pergo = continue
• desino = stop, cease
• possum = can
• debeo = ought
• soleo = am accustomed

Because autem is a postpositive word: it usually comes second in its clause, not first.

So Latin prefers:

• Marcus autem ...

rather than:

• autem Marcus ...

Here autem means something like:

• however
• but
• on the other hand

It marks a contrast between Lucia and Marcus.

Both can be translated as but, but they are used a little differently.

• sed often gives a more direct or stronger contrast
• autem is often milder, more like however or while on the other hand

So here Marcus autem feels like:

• Marcus, however, ...
• Marcus, on the other hand, ...

That fits the sentence nicely, because Lucia keeps reading, whereas Marcus does something different.

Paulisper means for a little while, briefly, or for a short time.

It is an adverb, so it modifies the verb:

• paulisper scribere desinit = he stops writing for a little while

It tells us that Marcus does not stop permanently; he only stops briefly.

The basic idea of desino is stop, leave off, or cease.

When it is followed by an infinitive, it means stop doing that action:

• scribere desinit = he stops writing

So the infinitive tells you what action is being stopped.

Because the sentence is expressing purpose.

Marcus stops writing briefly in order to listen to the teacher. Latin commonly expresses this with:

• ut + subjunctive

So:

• ut magistram audiat = so that he may listen to the teacher / in order to listen to the teacher

The idea is not just that he stops writing and then happens to listen. It shows why he stops writing.

Because after ut in a purpose clause, Latin uses the subjunctive, not the indicative.

So:

• audit = he listens / he is listening (indicative, simple statement)
• audiat = that he may listen / so that he listens (subjunctive, purpose)

Since this clause gives Marcus's purpose, the subjunctive is required:

• ut magistram audiat

A very literal translation is:

• so that he may hear/listen to the teacher

But in smoother English, you would usually say:

• so that he can listen to the teacher
• in order to listen to the teacher

That is often the best way to understand Latin purpose clauses.

Because magistram is the direct object of audiat.

The verb audio takes a direct object in the accusative:

• magistra = teacher as subject
• magistram = teacher as object

So here:

• magistram audiat = he may listen to the teacher / he may hear the teacher

Basically both are possible, depending on context.

The core meaning is hear, but in many beginner Latin sentences it is often translated more naturally as listen to, especially when the context is about paying attention to a person speaking.

So here:

• magistram audiat can be understood as hear the teacher
• but in natural English, listen to the teacher is probably the best translation

Because Latin verbs already include the subject in their endings.

For example:

• pergit = she/he/it continues
• desinit = she/he/it stops
• audiat = she/he/it may listen

Since the sentence already names Lucia and Marcus, Latin does not need extra subject pronouns.

Latin word order is fairly flexible, but this order is natural and clear.

This sentence uses word order to organize the ideas neatly:

• Dum alii discipuli scribunt = background action
• Lucia pergit legere = first main action
• Marcus autem paulisper scribere desinit = contrasting main action
• ut magistram audiat = purpose

You could rearrange some parts, but the current version is good idiomatic Latin and makes the contrast easy to follow.

It helps modern readers, but punctuation is less central to Latin grammar than word forms are.

The comma here separates:

• the dum clause from the main clause
• the two contrasting main ideas about Lucia and Marcus

So it is useful for reading, but the grammar itself is mainly shown by endings and structure, not by punctuation.