Dereva alikanyaga kanyagio cha mafuta kwa nguvu, kwa hiyo gari likaenda haraka.

Alikanyaga means he/she stepped on or he/she pressed.

It can be broken down like this:

• a- = he/she
• -li- = past tense
• -kanyaga = step on / press with the foot

So Dereva alikanyaga... literally means The driver stepped on/pressed...

Swahili normally does not use articles like the and a/an.

So:

• dereva can mean a driver or the driver
• the exact meaning depends on context

That is very normal in Swahili. You do not need a separate word for the.

Literally, kanyagio cha mafuta means something like pedal of fuel.

In natural English, that is usually:

• gas pedal
• accelerator pedal

The parts are:

• kanyagio = pedal
• cha = of (agreeing with kanyagio)
• mafuta = fuel / oil / petrol / gas, depending on context

So the whole phrase refers to the pedal used to make the vehicle go faster.

This is because of in Swahili changes form to match the noun class of the noun before it.

Here, the possessed noun is kanyagio, so the connector must agree with kanyagio. That is why you get:

• cha mafuta

not:

• ya mafuta

So cha is the agreement form meaning of for this noun class.

This kind of agreement is very common in Swahili:

• kitabu cha mwanafunzi = the student’s book / book of the student
• mlango wa nyumba = door of the house
• magurudumu ya gari = wheels of the car

Not always. Mafuta is a broad word that can mean:

• oil
• fuel
• petrol/gasoline
• sometimes fat/grease, depending on context

In this sentence, because it is talking about a car and a pedal, mafuta is understood as fuel/gas.

So kanyagio cha mafuta is best understood as gas pedal or accelerator.

Kwa nguvu means forcefully, hard, or with force.

In this sentence:

• Dereva alikanyaga kanyagio cha mafuta kwa nguvu

means the driver pressed the pedal hard.

The parts are:

• kwa = by / with / in
• nguvu = strength / force / power

Together, kwa nguvu is a common expression meaning strongly or forcefully.

Kwa hiyo means therefore, so, for that reason, or as a result.

It links the first action to the result:

• the driver pressed the gas pedal hard
• therefore / so the car went fast

So it is a connector showing consequence.

Very natural translations include:

• so
• therefore
• as a result

This is a very common learner question.

Likaenda uses the -ka- tense/consecutive marker, which often shows then, and so, or as a result in narration.

Breakdown:

• li- = subject marker for gari
• -ka- = consecutive/sequential marker
• -enda = go

So gari likaenda haraka means something like:

• the car then went fast
• so the car went fast
• the car consequently went fast

If you said gari lilienda haraka, that would simply mean the car went fast in the past, without the same strong sense of consequence or sequence.

Here, likaenda fits the idea: the first action caused the second.

In Swahili, verbs agree with the subject noun class.

Gari takes the subject marker li- in the singular. That is why you get:

• gari likaenda
• gari lilienda

So even though gari does not obviously look like a noun with a class prefix, it still has its own agreement pattern, and the verb must match it.

This agreement system is one of the most important parts of Swahili grammar.

Here haraka means quickly or fast.

In this sentence, it works adverbially:

• gari likaenda haraka = the car went fast / quickly

Swahili often uses words like this without changing their form the way English does. So you do not need a separate ending like -ly.

Yes. The word order is very natural.

The basic flow is:

• Dereva = subject
• alikanyaga = verb
• kanyagio cha mafuta = object
• kwa nguvu = manner
• kwa hiyo = connector
• gari = subject
• likaenda = verb
• haraka = manner

So the sentence follows a very normal pattern: subject + verb + object + adverbial phrase, then a result clause.

Yes, very often it could.

Because alikanyaga already contains a- = he/she, Swahili can omit the noun if the subject is already clear.

So in context, someone could say:

• Alikanyaga kanyagio cha mafuta kwa nguvu...

and it would still mean:

• He/She pressed the gas pedal hard...

However, including Dereva makes it clearer who did the action.

It is not especially formal; it is just clear and standard.

A few things to notice:

• kwa nguvu is a standard way to say hard/forcefully
• kwa hiyo is a standard connector meaning therefore/so
• likaenda gives the sentence a nice narrative/result feel

So the sentence sounds like normal written or careful spoken Swahili.

In more casual speech, speakers might choose slightly different wording, but this sentence is perfectly natural and correct.