wǒmen chī huǒguō ba.

吧 makes the sentence sound like a suggestion, proposal, or gentle invitation.

So:

• 我们吃火锅。 = We eat hot pot / We’re eating hot pot.
• 我们吃火锅吧。 = Let’s eat hot pot.

It softens the sentence and makes it sound friendly, like How about we eat hot pot?

Mandarin often does not use a separate word that directly matches English let’s.

Instead, the pattern

我们 + verb + 吧

often means Let’s ...

So:

• 我们吃火锅吧。 = Let’s eat hot pot.
• literally, it is closer to We eat hot pot, okay? / Let’s eat hot pot.

The idea of let’s comes from the combination of 我们 and sentence-final 吧.

This follows the basic Mandarin sentence pattern:

Subject + Verb + Object

• 我们 = subject = we
• 吃 = verb = eat
• 火锅 = object = hot pot

So it works just like basic English word order:

• We eat hot pot
• 我们吃火锅

Yes, literally it means eat hot pot, but in natural English it is often better translated as:

• have hot pot
• go eat hot pot
• eat hot pot

In Mandarin, 吃 is used for many kinds of meals and foods in a broad way, so 吃火锅 is a very normal expression.

Mandarin does not use articles like English a, an, or the.

So 火锅 can mean:

• hot pot
• the hot pot
• some hot pot

The exact meaning depends on context. In this sentence, the natural meaning is simply hot pot as a meal idea.

我们 is pronounced wǒmen.

A few useful points:

• 我 (wǒ) is 3rd tone
• 们 (men) is usually neutral tone

So it sounds like:

• wǒ = low/falling-rising tone
• men = light and unstressed

Learners sometimes over-stress 们, but in normal speech it is usually light: wǒmen.

Usually 吧 here is pronounced with a neutral tone: ba.

So:

• 我们 wǒmen
• 吃 chī
• 火锅 huǒguō
• 吧 ba

The neutral tone makes 吧 sound light and soft, which fits its role as a gentle suggestion.

Yes, you often can.

• 吃火锅吧。 = Let’s eat hot pot. / Eat hot pot.

If the context is clear, Mandarin often drops the subject. But adding 我们 makes it clear that the speaker means we should do it together.

So:

• 我们吃火锅吧。 = explicitly Let’s eat hot pot.
• 吃火锅吧。 = can still mean Let’s eat hot pot, depending on context

Yes. 咱们 also means we, but it usually definitely includes the listener.

So:

• 我们吃火锅吧。 = Let’s eat hot pot.
• 咱们吃火锅吧。 = also Let’s eat hot pot, often with a stronger feeling of you and I/us together

In many situations, both work. For beginners, 我们吃火锅吧 is completely correct and very common.

It can be, depending on the situation.

• 我们吃火锅吧。 = Let’s eat hot pot.
• 我们去吃火锅吧。 = Let’s go eat hot pot.

If you want to emphasize going somewhere to eat, adding 去 is very natural.
If you are just suggesting the meal itself, 我们吃火锅吧 is already perfectly good.

Grammatically, it is a suggestion.

Because of 吧, it is not a plain statement like We eat hot pot. It sounds more like:

• Let’s eat hot pot.
• How about we eat hot pot?

In English punctuation, people might translate it with a period, exclamation mark, or even a question mark, depending on tone:

• Let’s eat hot pot.
• Let’s eat hot pot!
• Let’s eat hot pot? is less standard in English, but the feeling can be similar to a suggestion

In Chinese, 吧 carries that inviting, proposing tone.