Ukiona foleni, kadiria kama utachelewa kufika.

Ukiona breaks down as:

• u- = you (singular)
• -ki- = if/when
• -ona = see

So ukiona literally means if you see or when you see.

This -ki- form is very common in Swahili for conditions and time expressions. For example:

• Ukisoma, utaelewa. = If you read, you will understand.
• Ukifika, nipigie simu. = When you arrive, call me.

In your sentence, ukiona foleni means if/when you see a queue / traffic jam.

In Swahili, the idea of if/when is often built directly into the verb with -ki-.

So instead of saying:

• if + you see

Swahili often says:

• u-ki-ona

This is very natural and common. English uses separate words more often, but Swahili frequently packs this meaning into the verb itself.

You can think of -ki- as a built-in if/when marker.

Foleni usually means:

• a queue
• a line
• and very often in everyday usage, traffic jam or heavy traffic

The exact meaning depends on context.

In this sentence, Ukiona foleni, kadiria kama utachelewa kufika, the most likely meaning is something like:

• If you see traffic / a traffic jam, estimate whether you’ll arrive late.

But in another context, it could mean an actual line of people, for example at a bank or shop.

Yes. Kadiria is an imperative form, so it is a command or instruction.

The verb is -kadiria, meaning:

• estimate
• judge
• calculate roughly

So kadiria means:

• estimate!
• judge!

In this sentence, the speaker is giving advice or an instruction:

• If you see a queue/traffic jam, estimate whether you’ll arrive late.

Because it is directed to one person, the singular imperative kadiria is used.

Because in Swahili, commands usually do not need an explicit subject pronoun.

English says:

• Estimate...

and does not normally say:

• You estimate... for a command

Swahili works similarly here. The verb form itself already functions as a command, so kadiria by itself is enough.

If you wanted to speak to more than one person, you would usually change the form, for example:

• kadirieni = estimate! (plural)

Good question. Kama has several meanings in Swahili, depending on context.

It can mean:

• like / as
• if
• whether

In this sentence, kama means whether:

• kadiria kama utachelewa kufika
• estimate whether you will arrive late

So here it introduces an indirect yes/no idea:

• whether you’ll be late or not

This is different from the -ki- in ukiona, which gives the condition if/when you see.

So the sentence contains two different kinds of if/whether meaning:

• ukiona = if/when you see
• kama utachelewa = whether you will be late

Utachelewa breaks down as:

• u- = you (singular)
• -ta- = future tense (will)
• -chelewa = be late / delay

So utachelewa means:

• you will be late
• or you will delay

In this sentence, it is followed by kufika, so the full idea is:

• utachelewa kufika = you will be late arriving / you will arrive late

Swahili commonly uses:

• -chelewa + infinitive

to mean be late in doing something.

So:

• utachelewa kufika literally = you will be late to arrive naturally = you will arrive late

This is a normal Swahili structure.

Compare:

• Alichelewa kuja. = He/She was late coming.
• Tutachelewa kuondoka. = We will be late leaving.

So -chelewa often comes before the infinitive of the action that is late.

Kufika is the infinitive form of the verb -fika, meaning:

• to arrive
• to reach

The prefix ku- is the infinitive marker, like to in English.

So:

• fika = arrive! / the verb root idea arrive
• kufika = to arrive

In the sentence:

• utachelewa kufika

the infinitive kufika tells us what action will be late:

• be late to arrive
• arrive late

It is talking to one person.

You can tell from the u- subject marker:

• ukiona = if you (singular) see
• utachelewa = you (singular) will be late

Also, kadiria is the singular command form.

If you were speaking to more than one person, you would change the forms. For example, a plural version could be:

• Mkiona foleni, kadirieni kama mtachelewa kufika.

That would mean:

• If you all see traffic/a queue, estimate whether you will arrive late.

Yes. The -ki- form often covers both if and when, and context tells you which is more natural.

So ukiona foleni could mean:

• if you see traffic
• when you see traffic

In many real-life situations, English might prefer one or the other depending on tone:

• If you see traffic, estimate whether you’ll arrive late.
• When you see traffic, estimate whether you’ll arrive late.

Swahili often leaves that distinction looser than English does.

In everyday use, foleni usually stays the same in both singular and plural-looking contexts.

Like many loanwords in Swahili, it often does not change form the way some native nouns do. So context tells you whether you mean:

• a queue
• queues
• traffic
• traffic jams

In your sentence, you do not really need to worry about singular versus plural. The important point is the general idea of encountering a queue / traffic congestion.

Yes. Even though kadiria is grammatically a command, Swahili imperatives are often used for:

• instructions
• guidance
• practical advice

So this sentence can sound like:

• If you see traffic, estimate whether you’ll be late.
• When you notice a queue, judge whether you’ll arrive late.

It does not have to sound harsh or bossy. Tone and context matter.

A fairly literal breakdown would be:

• Ukiona = if/when you see
• foleni = a queue / traffic jam
• kadiria = estimate
• kama = whether
• utachelewa = you will be late
• kufika = to arrive

So a very literal version would be:

• If/when you see traffic, estimate whether you will be late to arrive.

A more natural English translation is:

• If you see traffic, estimate whether you’ll arrive late.