Ons sien nie snawels nie, laat staan nog kuiwe.

Afrikaans usually makes ordinary negation with a double nie pattern:

• Ons sien nie snawels nie.
• literally: We see not beaks not
• natural English: We do not see beaks

A simple way to understand it is:

• the first nie comes before the part being negated
• the second nie usually comes near the end of the clause

This is one of the most characteristic features of Afrikaans grammar, and English speakers often notice it immediately.

Laat staan nog is an idiomatic expression meaning let alone, much less, or never mind in this kind of sentence.

So:

• Ons sien nie snawels nie, laat staan nog kuiwe.
• We do not see beaks, let alone crests/plumes.

The idea is:

1. the first thing is already absent or unlikely
2. the second thing is even less likely

So kuiwe is presented as an even stronger or more extreme example than snawels.

Yes, if you break it apart literally, the pieces suggest something like:

• laat = let / leave
• staan = stand
• nog = still / yet / even

But in this sentence you should learn laat staan nog as a fixed expression, not word by word. Its actual meaning here is idiomatic: let alone or much less.

That is very common in languages: a phrase may be made of familiar words, but the whole expression has a special meaning.

Because Afrikaans often leaves out the article when speaking about things in a general, non-specific way.

Here the sentence is not about particular, identified beaks or particular crests. It means something like:

• We do not see beaks
• and even less so crests

This is similar to English plural nouns used generally:

• We do not see beaks
• Birds have wings

You would add an article only if you meant specific ones, depending on the context.

Yes. Both are plural nouns.

• snawel = beak
• snawels = beaks
• kuif = crest, tuft, or plume
• kuiwe = crests / tufts / plumes

The plural of kuif is a little less obvious to an English speaker because the vowel changes:

• kuif → kuiwe

That kind of plural pattern is normal in Afrikaans and is worth memorizing as vocabulary.

Afrikaans does not use do the way English does for negation.

English:

• We do not see beaks

Afrikaans:

• Ons sien nie snawels nie

So the finite verb sien stays in the normal main-clause position after the subject ons, and negation is shown with the nie ... nie structure rather than with an extra verb like do.

This is a major difference between English and Afrikaans:

• English often needs do
• Afrikaans does not

In this expression, nog helps strengthen the sense of even less so or let alone. On its own, nog often means still, yet, or more, but in laat staan nog you should not translate it too mechanically.

It is best to understand the whole phrase as one unit:

• laat staan nog = let alone / much less

So although nog has meanings of its own in other contexts, here it is part of the idiom.

Yes, ons is the normal Afrikaans word for we / us, depending on function in the sentence.

In this sentence:

• Ons sien ...
• We see ...

So here ons is the subject and means we.

English distinguishes:

• we as subject
• us as object

Afrikaans uses ons for both:

• Ons sien die voël. = We see the bird.
• Die voël sien ons. = The bird sees us.

That often feels simpler for English speakers.

Yes, laat staan by itself can also express the idea of let alone or never mind, depending on the context. But laat staan nog is a very common stronger form.

Compare the feel:

• ... laat staan kuiwe
• ... laat staan nog kuiwe

The version with nog sounds more clearly like let alone / much less. In your sentence, it helps emphasize that kuiwe is an even more unlikely thing to see than snawels.

The comma separates the main negative statement from the idiomatic follow-up:

• Ons sien nie snawels nie,
• laat staan nog kuiwe.

This matches the meaning structure:

1. We do not see beaks
2. let alone crests

The second part is not a full independent sentence in the ordinary sense; it is more like an added idiomatic phrase expanding the first idea. The comma helps show that pause and relationship clearly.

It is definitely idiomatic because of laat staan nog. The grammar itself is normal, but the overall phrasing is not a word-for-word beginner structure. It is the kind of expression a learner should recognize as a set phrase.

So this is a useful sentence for learning:

• standard Afrikaans negation: nie ... nie
• a common idiom: laat staan nog
• plural nouns used in a general sense: snawels, kuiwe

That makes it a good example of natural Afrikaans rather than just textbook grammar.