Dopo il lavoro, ho voglia di bere un tè caldo.

Dopo means after.
So dopo il lavoro means after work or more literally after the work.

Italian often uses the definite article where English does not. In English, we say after work, but in Italian the natural expression is usually dopo il lavoro.

• dopo = after
• il lavoro = the work / work

So the full phrase is a normal Italian way to say after work.

Ho voglia di + infinitive is a very common structure meaning I feel like ... or I’m in the mood to ....

So:

• ho voglia di bere un tè caldo = I feel like drinking a hot tea
• voglio bere un tè caldo = I want to drink a hot tea

Both are grammatical, but ho voglia di sounds more like a feeling or craving, while voglio sounds more direct and stronger.

Voglia means something like desire, wish, urge, or craving, depending on context.

In the expression avere voglia di, it works as a fixed phrase:

• avere voglia di = to feel like, to want to, to be in the mood for

Examples:

• Ho voglia di dormire. = I feel like sleeping.
• Hai voglia di uscire? = Do you feel like going out?

So in your sentence, ho voglia di is best understood as one unit.

After avere voglia di, Italian uses di + infinitive when the next idea is an action.

So the pattern is:

• avere voglia di + infinitive

Examples:

• Ho voglia di mangiare. = I feel like eating.
• Ho voglia di leggere. = I feel like reading.
• Ho voglia di bere un tè caldo. = I feel like drinking a hot tea.

You cannot normally say ho voglia bere. The di is required.

Because after ho voglia di, Italian uses the infinitive form of the verb to express the action someone feels like doing.

Here:

• bere = to drink

So the structure is:

• ho voglia di bere = I feel like drinking

This is similar to English expressions like I want to drink or I feel like drinking, where the second verb stays in a basic verb form.

In Italian, adjectives usually come after the noun.

So:

• un tè caldo = a hot tea

That is the most normal word order.

Sometimes adjectives can come before the noun, but that often changes the tone, emphasis, or style. For everyday speech, un tè caldo is the natural choice.

Tè has a written accent to distinguish it from te.

• tè = tea
• te = you (object form), as in I see you

The accent helps avoid confusion in writing.

Voglia is pronounced roughly like VOHL-ya.

A useful point is that gli in this word does not sound like the English gl in glass.
It makes a sound similar to the lli in some pronunciations of million, though not exactly the same.

So:

• voglia ≈ VOHL-ya

Learners often find this sound tricky, so it is very normal if it takes practice.

Yes. Italian word order is flexible.

The original sentence:

• Dopo il lavoro, ho voglia di bere un tè caldo.

You could also say:

• Ho voglia di bere un tè caldo dopo il lavoro.

Both are correct. Starting with Dopo il lavoro puts the time expression first and gives it a little more emphasis.

No. It can appear in different places depending on what you want to emphasize.

For example:

• Dopo il lavoro, ho voglia di bere un tè caldo.
• Ho voglia di bere un tè caldo dopo il lavoro.

Both mean the same basic thing. Italian allows this kind of movement more easily than English in many cases.

Yes. Mi va di + infinitive is another common way to say I feel like ...

So:

• Ho voglia di bere un tè caldo.
• Mi va di bere un tè caldo.

Both are natural, but there is a slight nuance:

• ho voglia di often suggests a stronger desire or craving
• mi va di can sound a little lighter, like I’m up for or I feel like

You change the form of avere:

• ho voglia di = I feel like
• hai voglia di = you feel like
• ha voglia di = he/she feels like
• abbiamo voglia di = we feel like
• avete voglia di = you all feel like
• hanno voglia di = they feel like

Examples:

• Dopo il lavoro, hai voglia di bere un tè caldo? = After work, do you feel like drinking a hot tea?
• Dopo il lavoro, abbiamo voglia di bere un tè caldo. = After work, we feel like drinking a hot tea.

Put non before ho:

• Dopo il lavoro, non ho voglia di bere un tè caldo.

This means:

• After work, I don’t feel like drinking a hot tea.

This is the normal way to negate it in Italian.

Literally, bere means to drink.

But in natural English, we often say have for drinks:

• bere un tè caldo = literally to drink a hot tea
• natural English: to have a hot tea

So in Italian, bere is the ordinary verb here, even if English might often prefer have.

Un tè caldo means a hot tea, so it is not specific. It means one hot tea, in a general sense.

If you wanted a specific tea already known in context, you might use il tè caldo, but in this sentence un tè caldo is the natural choice because it introduces the idea of having a hot tea in general.