Mfasiri huyo alikuwa na lafudhi ya Pwani, lakini wanafunzi walielewa maelezo yake vizuri.

Mfasiri means interpreter or translator, and it refers to a person. It belongs to the M-WA noun class for human beings.

• Singular: mfasiri = interpreter
• Plural: wafasiri = interpreters

This noun class often uses:

• m- in the singular
• wa- in the plural

That same class affects agreement elsewhere in the sentence.

Huyo means that one or that person, usually referring to someone near the listener or already known in the conversation.

So:

• mfasiri huyo = that interpreter

In Swahili, demonstratives often come after the noun, unlike English.

Compare:

• mtu huyu = this person
• mtu huyo = that person
• mtu yule = that person over there

Alikuwa is built from:

• a- = he/she
• -li- = past tense
• -kuwa = be

So alikuwa means he/she was.

In this sentence, it refers back to mfasiri huyo, so it means:

• that interpreter was

This is a very common past form in Swahili.

Because Swahili uses kuwa na to express to have.

So:

• alikuwa = he/she was
• alikuwa na = he/she had

In this sentence:

• alikuwa na lafudhi ya Pwani = he/she had a Coastal accent

This is a common pattern:

• nina kitabu = I have a book
• walikuwa na shida = they had a problem

Literally, it means:

• lafudhi = accent
• ya = of
• Pwani = the Coast / Coastal region

So:

• lafudhi ya Pwani = an accent of the Coast = a Coastal accent

The ya here is a connector meaning of and agrees with the noun lafudhi.

The connector -a means of, but its form changes to match the noun class of the first noun.

Here, the first noun is lafudhi, which belongs to the N class, so the connector becomes ya.

So:

• lafudhi ya Pwani = accent of the Coast

Other examples:

• kitabu cha mwanafunzi = the student’s book
• watu wa mjini = people of the town
• nyumba ya mwalimu = the teacher’s house

So ya is not random; it is class agreement.

Yes, Pwani literally means coast, but in this sentence it likely refers to the Coastal region or the Swahili coast.

So lafudhi ya Pwani suggests an accent associated with that region. In context, this often implies a particular way of speaking Swahili associated with coastal speakers.

Lakini means but.

It connects two ideas:

• Mfasiri huyo alikuwa na lafudhi ya Pwani
• wanafunzi walielewa maelezo yake vizuri

So the whole structure is:

• That interpreter had a Coastal accent, but the students understood his/her explanation well.

It shows contrast: even though the interpreter had that accent, the students still understood.

Wanafunzi means students and is plural.

Its singular is:

• mwanafunzi = student

Its plural is:

• wanafunzi = students

Like mfasiri, it belongs to the human M-WA noun class:

• singular often begins with m-
• plural often begins with wa-

That is why the verb that follows also begins with wa-:

• walielewa = they understood

Walielewa can be broken down as:

• wa- = they
• -li- = past tense
• elewa = understand

So:

• walielewa = they understood

This agrees with wanafunzi because wanafunzi is plural.

Compare:

• mwanafunzi alielewa = the student understood
• wanafunzi walielewa = the students understood

Because the subject is wanafunzi, which is they.

In Swahili, the verb must agree with its subject. For plural human nouns, the subject marker is usually wa-.

So:

• wanafunzi walielewa = the students understood

If it were singular:

• mwanafunzi alielewa = the student understood

This kind of agreement is one of the most important features of Swahili grammar.

Maelezo means explanation, details, or clarification, depending on context.

Grammatically, it looks plural because it is in the MA- noun class:

• elezo = explanation/detail
• maelezo = explanations/details

However, in English, maelezo is often translated with a singular-looking word such as explanation, because that sounds more natural in context.

So in this sentence:

• maelezo yake = his/her explanation or his/her explanations/details

Because Swahili usually uses a possessive form that agrees with the noun.

Here:

• maelezo is in the MA- class
• the possessive stem is -ake = his/her
• with the MA- class, it becomes yake

So:

• maelezo yake = his/her explanation(s)

This yake refers back to mfasiri huyo.

Some useful comparisons:

• kitabu chake = his/her book
• wanafunzi wake = his/her students
• maoni yake = his/her opinions

It can mean either his or her. Swahili does not usually mark gender in this kind of possessive.

So maelezo yake can mean:

• his explanation
• her explanation

The context tells you which one is intended.

Vizuri means well.

Here it modifies the verb walielewa:

• walielewa vizuri = they understood well

So:

• wanafunzi walielewa maelezo yake vizuri = the students understood his/her explanation well

It tells us how they understood.

Swahili often places modifiers after the noun, whereas English often places them before or uses a different structure.

Examples from the sentence:

• mfasiri huyo = interpreter that = that interpreter
• maelezo yake = explanation his/her = his/her explanation
• lafudhi ya Pwani = accent of the Coast = Coastal accent

So the order may feel reversed compared with English, but it is normal in Swahili.

Yes, very much so. It shows agreement clearly with two different subjects:

• mfasiri huyo is singular human, so the verb uses a-:
  • alikuwa
• wanafunzi is plural human, so the verb uses wa-:
  • walielewa

So the sentence helps you see how Swahili verbs change according to the subject.

It can mean either translator or interpreter, depending on context.

In this sentence, because the person has an accent and is speaking in a way the students can understand, interpreter may feel more natural. But in many contexts, mfasiri can refer to someone who translates spoken or written language.

Context usually decides the best English translation.