Vamos a enhebrar la aguja.

It is a very common Spanish way to talk about the future: ir a + infinitive.

So:

• vamos = we go / we are going
• a enhebrar = to thread

Together, vamos a enhebrar means we’re going to thread. In everyday Spanish, this structure is often more common than the simple future tense.

Because this is a fixed grammar pattern:

ir + a + infinitive

Examples:

• Voy a comer = I’m going to eat
• Van a salir = They’re going to leave
• Vamos a enhebrar = We’re going to thread

So the a is not optional here. It is part of the construction.

You can say enhebraremos la aguja, and it is grammatically correct. But in normal spoken Spanish, ir a + infinitive is extremely common, especially for:

• near future
• plans
• the next step in a process

So vamos a enhebrar la aguja sounds very natural in everyday speech.
Enhebraremos la aguja can sound a bit more formal, more written, or simply less conversational depending on context.

Yes, in some contexts it can.

Literally, it is we’re going to thread the needle, but in real life it can also function like an announcement of the next action, which in English may sound like let’s thread the needle.

For example, if someone is teaching sewing and says Vamos a enhebrar la aguja, the natural English might be Let’s thread the needle.

If Spanish wants a more direct let’s form, it can also use the nosotros command:

• Enhebremos la aguja

But in conversation, vamos a + infinitive is often very natural.

Enhebrar means to thread something, especially:

• to pass thread through the eye of a needle
• to put something through a small opening in the way threading works

It is related to hebra, which means thread, strand, or fiber.

So this verb is the normal one to use for threading a needle.

In Spanish, nouns usually need an article or another determiner.

So:

• la aguja = the needle
• una aguja = a needle

Just aguja by itself would usually sound incomplete in a sentence like this.

Here, la aguja suggests a specific needle, probably the one already being used or understood from the situation.

Because Spanish often leaves subject pronouns out.

The verb form vamos already tells you the subject is we. So nosotros is not necessary.

Compare:

• Vamos a enhebrar la aguja = We’re going to thread the needle
• Nosotros vamos a enhebrar la aguja = We’re going to thread the needle

The second version is possible, but it usually adds emphasis, contrast, or clarity.

The h in Spanish is silent, so enhebrar is pronounced as if the h were not there.

A rough guide:

• enhebrar ≈ en-eh-BRAR

A few useful pronunciation points:

• the stress is on the last syllable: -brar
• the h is silent
• the b sound in Spanish is softer than a strong English b in many contexts

So do not pronounce the h.

A rough Spain Spanish pronunciation is:

a-GU-ha

Key points:

• the stress is on GU
• the j in Spain is a strong throaty sound, like the ch in Scottish loch or the j in many Spanish pronunciation guides written as kh
• the g in aguja is a normal hard g sound

So aguja does not sound like English a-goo-ja with an English j. The last consonant is the Spanish j sound.