Dillali ya musanya takalmin duk da lalacewar marufi.

A useful breakdown is:

• Dillali = subject
• ya = subject/TAM marker
• musanya = verb
• takalmin = direct object
• duk da lalacewar marufi = concessive phrase, meaning something like despite ...

So the pattern is roughly:

Subject + pronoun/TAM marker + verb + object + extra phrase

That is a very common Hausa sentence shape.

Because in Hausa, the subject pronoun/TAM marker is normally still required even when a full noun subject is present.

So Dillali ya musanya ... is normal Hausa grammar.
It is not redundant in the way English learners might expect.

You can think of ya as doing two jobs at once:

• showing the subject agreement
• showing the tense/aspect type of the clause

So Hausa often keeps both:

• the full noun: Dillali
• the agreement/TAM marker: ya

Here ya marks:

• 3rd person
• singular
• masculine
• a completed/perfective action

So it is not just a simple word-for-word equivalent of English he.
It is part pronoun and part grammar marker.

In this sentence, it tells you that the action is presented as completed and that the subject is singular masculine.

It agrees with Dillali, the subject.

That is important because English speakers sometimes look at the object and wonder whether agreement might follow that instead. It does not here.

So:

• Dillali = subject
• ya agrees with Dillali
• takalmin = object, so it does not control ya

This is a very common learner question.

Takalmi is the basic dictionary form.
Takalmin is a linked/specific form often used when the noun is definite or in certain grammatical environments.

In many contexts, takalmin can correspond to something like:

• the shoe
• that shoe
• a more specific, identifiable item

Hausa nouns often change shape like this, so learners need to get used to seeing a citation form and a linked/specific form.

It is singular in form.

The basic singular noun is takalmi, and takalmin is its linked/specific form.
A plural form would look different.

So even if English might sometimes translate things more loosely depending on context, the Hausa form here is singular.

Musanya usually means something like:

• exchange
• swap
• replace

The best English choice depends on context.

That is common in Hausa vocabulary: one verb may match several English verbs depending on the situation. The important point here is that musanya is the main action verb and it takes a direct object, which here is takalmin.

Duk da is a very common fixed expression meaning:

• despite
• in spite of
• even with

It introduces a concessive phrase, meaning that something happened anyway even though there was some obstacle or contrary circumstance.

So in this sentence, duk da ... tells you that the exchange happened in spite of the packaging problem.

This phrase is built like a noun-linking construction.

• lalacewa = damage, deterioration, becoming spoiled/damaged
• lalacewar = linked form used before another noun
• marufi = packaging, wrapper, package

So lalacewar marufi literally works like:

• damage of packaging
• damage to the packaging

English usually prefers something smoother, such as damaged packaging or damage to the packaging, but Hausa often uses this kind of noun-based structure.

Because Hausa often expresses ideas that English puts into adjectives by using:

• verbal nouns
• linked noun phrases
• relative constructions

So instead of a direct adjective phrase like damaged packaging, Hausa may naturally say something closer to the damage of the packaging.

That is a normal Hausa style, not an odd translation trick.

Marufi refers to things like:

• packaging
• wrapper
• packing material
• the package/container, depending on context

The exact English word depends on the situation. In a sales or product context, packaging is often the most natural choice.

It describes the whole action.

So the meaning is that the exchanging happened despite the packaging damage.
It is not simply a modifier attached only to takalmin.

In other words, the structure is:

• action: ya musanya takalmin
• circumstance: duk da lalacewar marufi

Yes.

Hausa changes this marker according to gender/number. For example:

• ya = 3rd person singular masculine
• ta = 3rd person singular feminine
• sun = 3rd person plural

So if the subject were feminine singular, you would expect ta instead of ya.