Ek sien uit daarna.

Word by word:

• Ek = I
• sien = see
• uit = out
• daarna = to that / after that, depending on context

But in this sentence, you should treat the whole expression as an idiom.
uitsien na means to look forward to.

So even though the parts look like I see out to that, the real meaning is simply I’m looking forward to it.

Yes. Uitsien is a separable verb.

That means:

• in a simple main clause, it often splits:
  • Ek sien daarna uit
• in some other constructions, it stays together or partly together:
  • Ek sal daarna uitsien = I will look forward to it
  • Ek het daarna uitgesien = I looked forward to it / have looked forward to it
  • om daarna uit te sien = to look forward to it

This is a very common pattern in Afrikaans.

Because Afrikaans often uses pronominal adverbs like daarna, daarop, daarvoor, daarmee instead of a preposition + dit.

So instead of na dit, Afrikaans very naturally uses daarna.

This is especially common when talking about:

• things
• events
• situations
• ideas

So Ek sien daarna uit sounds more natural than Ek sien uit na dit.

Yes — and in fact, many speakers would consider Ek sien daarna uit the more natural everyday order.

A useful rule is:

• with a full noun phrase: Ek sien uit na die vakansie
• with daarna: Ek sien daarna uit

So the sentence you were given will be understood, but if you want the safest standard pattern, use Ek sien daarna uit.

That is because daarna behaves differently from a full prepositional phrase.

Compare:

• Ek sien uit na die vakansie
• Ek sien daarna uit

With a noun, Afrikaans keeps na + noun together after uit.
With a pronominal adverb like daarna, that element often moves earlier in the clause.

So this is not random word order; it is a normal grammar pattern.

There are two very common patterns:

1. With a noun

• Ek sien uit na die vakansie.
• Ek sien uit na die wedstryd.

2. With an action or event

• Ek sien daarna uit om jou te sien.
• Ek sien daarna uit om te begin.

So if English uses looking forward to doing something, Afrikaans often uses:

• daarna uit te sien om ...

Usually, no. Daarna normally refers to a thing, event, idea, or situation, not a person.

So for a person, Afrikaans normally says:

• Ek sien uit na jou. = I’m looking forward to seeing you
• Ek sien daarna uit om jou te ontmoet. = I’m looking forward to meeting you

So remember:

• daarna = it / that
• na jou / na hom / na haar = to you / him / her

Not if you mean I’m looking forward to it.

By itself, Ek sien uit may sound incomplete, or it may be understood more literally, like I’m looking out.

To express the idiomatic meaning, you normally need the complement:

• Ek sien uit na die reis
• Ek sien daarna uit

So yes, the extra part is important.

Here are the most useful forms:

• Present: Ek sien daarna uit.
  = I’m looking forward to it

• Past / perfect: Ek het daarna uitgesien.
  = I looked forward to it / I have looked forward to it

• Future: Ek sal daarna uitsien.
  = I will look forward to it

Notice how the verb form changes:

• sien ... uit
• uitgesien
• uitsien

That is normal for a separable verb.

It is neutral and very common.

You can use it in:

• everyday conversation
• messages
• emails
• normal writing

It is not especially formal, and it is not slang. It is just standard Afrikaans.

Yes, on its own, daarna often means after that.

For example:

• Ons eet, en daarna gaan ons huis toe.
  = We eat, and after that we go home.

But in Ek sien daarna uit, it is part of the fixed pattern connected to uitsien na. Here it does not mean after that in the time sense. It means something more like to that / for that, as part of the idiom look forward to it.

So the meaning depends on the structure, not just the single word.

A rough guide:

• Ek ≈ eck
• sien ≈ seen
• daarna ≈ DAHR-na

The hardest word for English speakers is usually uit. Its vowel has no perfect English equivalent. A rough approximation is to start with rounded lips and glide toward something like ay.

So a rough learner-friendly pronunciation of the whole sentence is:

• Ek seen DAHR-na oyt

That is only approximate, but it is good enough to get started.