jom cheoncheonhi malhae boseyo.

In this sentence, 좀 does come from a little / a bit, but very often it works as a softener in requests.

So 좀 천천히 말해 보세요 is not really about speaking only a little slowly. It is more like:

• Please speak a bit more slowly
• Could you speak a little more slowly?

It makes the sentence sound less blunt.
Without 좀, the sentence is still correct, but it can sound a little more direct:

• 천천히 말해 보세요.

천천히 is an adverb, meaning slowly.

It describes how the action is done:

• 말하다 = to speak
• 천천히 말하다 = to speak slowly

So in this sentence, 천천히 modifies 말해 보세요.

A useful comparison:

• 빠르게 = quickly
• 조용히 = quietly
• 천천히 = slowly

This is a very common question.

말해 보세요 is made from:

• 말하다 = to speak
• -아/어 보다 = to try doing
• -세요 = polite request / polite imperative

So literally, 말해 보세요 is something like please try speaking.

But in real usage, this often sounds softer and more natural than a plain command. In many situations, it is just a polite way to say:

• Please speak
• Please say it

So:

• 천천히 말하세요 = Please speak slowly
• 천천히 말해 보세요 = Please try speaking slowly / Please speak slowly

The version with -아/어 보세요 can feel a bit gentler or less stiff.

Not always.

Sometimes -아/어 보세요 really does mean try doing it:

• 먹어 보세요. = Try eating it.
• 입어 보세요. = Try it on.

But in other cases, especially in polite everyday requests, it can simply soften the sentence rather than strongly emphasizing experimentation.

In 좀 천천히 말해 보세요, the speaker is not necessarily saying, Experiment with speaking slowly.
It is just a polite, natural request: Please speak more slowly.

It is polite, but not the highest or most formal level.

The ending -세요 is a common polite ending used in everyday speech. It is appropriate in many situations, such as:

• speaking to a stranger
• speaking to a service worker
• speaking to a teacher or classmate in a polite way

However, if you want to sound even more respectful, especially to someone older or in a formal situation, Korean often uses 말씀하시다 instead of 말하다:

• 좀 천천히 말씀해 주세요.

That sounds more respectful than 좀 천천히 말해 보세요.

말하다 is the basic verb to speak / to say.
말씀하다 / 말씀하시다 is the honorific version used to show respect.

So:

• 말해 보세요 = polite, normal
• 말씀해 주세요 = more respectful

If you are speaking to:

• a friend or classmate → 말하다 is fine
• an older person, customer, professor, or someone you want to show extra respect to → 말씀하다 / 말씀하시다 is often better

That is why learners often hear:

• 좀 천천히 말씀해 주세요.

This is one of the most natural polite ways to ask someone to speak more slowly.

Yes, to some extent.

Korean word order is more flexible than English, especially with adverbs like 좀 and 천천히.

These are all possible:

• 좀 천천히 말해 보세요.
• 천천히 좀 말해 보세요.
• 말 좀 천천히 해 보세요.

They are slightly different in rhythm or emphasis, but the meaning is basically the same.

Still, 좀 천천히 말해 보세요 is a very natural and standard order for learners to use.

Because 보다 here functions as an auxiliary verb after another verb.

The structure is:

• 말해
  • 보세요

In standard writing, auxiliary verbs are often written separately, so 말해 보세요 is very common.

You may also sometimes see:

• 말해보세요

That also appears in real life, and Korean spacing with auxiliary verbs can be flexible in actual usage. But for learners, writing 말해 보세요 is a good safe choice.

The key dictionary forms are:

• 좀 = a bit / please-ish softener in context
• 천천히 = slowly
• 말하다 = to speak
• 보다 = to try
• -세요 = polite request ending

If you break 말해 보세요 down:

1. 말하다
2. 말해 (the -아/어 form)
3. 말해 보다 = to try speaking
4. 말해 보세요 = please try speaking / please speak

So the grammar pattern is:

• Verb + -아/어 보세요

A few very natural alternatives are:

• 좀 천천히 말해 주세요.
  = Please speak a little more slowly.

• 천천히 말씀해 주세요.
  = Please speak slowly.
  This sounds more respectful.

• 다시 좀 천천히 말해 주세요.
  = Please say it again more slowly.

• 조금만 천천히 말씀해 주세요.
  = Please speak just a little more slowly.

For many situations, 좀 천천히 말해 주세요 and 좀 천천히 말씀해 주세요 are especially useful to remember.