Chúng tôi đi về phía tây.

Chúng tôi is a first-person plural pronoun meaning we, but specifically an exclusive we. That means it usually does not include the person being spoken to.

So if I say Chúng tôi đi về phía tây, I normally mean we are going west, but not you.

This is an important distinction in Vietnamese:

• chúng tôi = we excluding the listener
• chúng ta = we including the listener

English usually just says we, so this difference can feel new to learners.

Yes, but it changes the meaning.

• Chúng tôi đi về phía tây = We are going west (not including you)
• Chúng ta đi về phía tây = We are going west (including you)

So the grammar pattern stays the same, but the pronoun changes who is part of the group.

Đi usually means to go, to move, or to walk/go somewhere.

In this sentence, it expresses movement:

• đi = go / move

So the structure is roughly:

• Chúng tôi = we
• đi = go
• về phía tây = toward the west / westward

Together: We go / are going toward the west.

Về phía means toward, in the direction of, or towards the side of.

It is made of:

• về = toward / returning to / in the direction of
• phía = side, direction

So về phía tây literally means something like toward the west side/direction.

This is a very common way to talk about direction in Vietnamese.

Because đi về phía tây is clearer and more natural for expressing direction.

Đi tây by itself is not the normal way to say go west in standard Vietnamese. In fact, Tây can also refer to the West culturally or historically, and in some contexts đi Tây can mean something quite different, such as going to Western countries or have older historical meanings.

So if you want to talk about physical direction, đi về phía tây is much clearer:

• về phía tây = toward the west

Here tây is functioning as a direction word: west.

Vietnamese compass directions include:

• bắc = north
• nam = south
• đông = east
• tây = west

In về phía tây, it works like the destination/direction after phía:

• phía tây = the west / western direction

Normally, tây is not capitalized here because it is just a common direction word, like west in English when used generally.

So:

• phía tây = west / the west

You would capitalize only if it were part of a proper name or title.

Vietnamese often does not use direct equivalents of English articles like the or a, and it also often expresses relationships without a separate word exactly matching English to.

So:

• English: to the west
• Vietnamese: về phía tây

The meaning is carried by the phrase as a whole rather than by one word-for-word match.

This is very common in Vietnamese, so it is better to learn phrases by function rather than expecting each English word to appear separately.

The sentence follows a very common Vietnamese order:

subject + verb + direction/location phrase

So:

• Chúng tôi = subject
• đi = verb
• về phía tây = directional phrase

That gives:

• Chúng tôi đi về phía tây.
• We are going toward the west.

This word order is straightforward and similar to English in many simple sentences.

By itself, the Vietnamese sentence does not mark tense explicitly, so it can mean different things depending on context.

Possible interpretations include:

• we go west
• we are going west
• we went west

If the speaker wants to make the time clearer, Vietnamese often adds time words or aspect markers, such as:

• đã = past
• đang = in progress
• sẽ = future

For example:

• Chúng tôi đang đi về phía tây. = We are going west.
• Chúng tôi đã đi về phía tây. = We went west / have gone west.

Yes. Some alternatives are possible, depending on style and nuance.

Common options include:

• về phía tây = toward the west
• về hướng tây = in the direction of the west
• sang phía tây = over to the west / toward the west

These are similar, though về phía tây is a very natural and standard way to express direction.

A rough pronunciation guide for English speakers is:

• Chúng tôi ≈ choong toy
• đi ≈ dee
• về phía tây ≈ veh fee-uh tay

But Vietnamese pronunciation depends heavily on:

• vowel quality
• final sounds
• tones

A few notes:

• chúng has a ng ending
• tôi is not exactly like English toy, though that approximation helps at first
• đ in đi is like a normal d sound
• tây has a different vowel from English tay

If you are studying pronunciation, it is best to learn the tones together with the words rather than using English spelling alone.

Yes, that is a good question. Về can mean return/go back, but in this sentence it is part of the directional phrase về phía tây, where it means toward or in the direction of.

So here:

• đi về phía tây = go toward the west

This is different from:

• đi về nhà = go home / return home

In other words, về has several related meanings, and the full phrase tells you which one is intended.