Evite o risco.

Evite is the imperative form of the verb evitar (to avoid) used with você in Brazilian Portuguese.

So Evite o risco. means something like Avoid the risk.

This form is also identical to the present subjunctive form, but in this sentence it is being used as a command/instruction.

In Brazilian Portuguese, commands depend on which you form is being used.

For você, the affirmative imperative of evitar is evite.
For tu, it would normally be evita.

So:

• (você) Evite o risco.
• (tu) Evita o risco.

Because você is extremely common in Brazil, evite is a very natural form to see in warnings, instructions, ads, and formal speech.

It sounds neutral to somewhat formal, mainly because it uses the você command form in a concise, slogan-like way.

This kind of wording is very common in:

• safety messages
• advertisements
• public instructions
• health advice

It is not overly stiff, but it does sound more like a written instruction or recommendation than casual conversation.

Portuguese often leaves out subject pronouns when they are understood from the verb form or the context.

So instead of saying:

• Você evite o risco.

Portuguese normally just says:

• Evite o risco.

The verb already signals that this is a command directed at you.

Portuguese uses definite articles much more often than English does.

So o risco literally means the risk, even where English might simply say risk.

That means:

• Evite o risco. = Avoid the risk.
• But in many contexts, English might naturally translate it as Avoid risk or Avoid the danger, depending on the situation.

Using o here is completely normal in Portuguese.

Yes. Evite riscos is also correct, but it changes the nuance slightly.

• Evite o risco. = avoid the risk / avoid that specific risk
• Evite riscos. = avoid risks in general

The singular with the article can sound more focused, while the plural sounds more general.

In this sentence, risco means risk.

However, risco can also mean things like:

• a line
• a mark
• a scratch

So context matters. In Evite o risco, the meaning is clearly risk/danger, not a physical line or scratch.

A simple approximate pronunciation is:

eh-VEE-chee oo HEES-koo in many Brazilian accents.

A few notes:

• evite often sounds like eh-VEE-chee in much of Brazil because final -te can sound like -chee
• o is usually a short oo sound when unstressed
• risco starts with an r that in Brazilian Portuguese is often pronounced like an English h at the beginning of a word

Pronunciation varies by region, but this approximation will help.

No, this is the normal and expected order:

verb + object

• Evite = avoid
• o risco = the risk

Portuguese often uses this straightforward order in commands and instructions.

Usually, no. The most natural meaning is Avoid the risk.

The verb evitar normally means to avoid, to prevent oneself from facing something, or to keep away from something.

If you wanted the sense of prevent in the idea of stopping something from happening, Portuguese would often use a different structure, depending on the context. So for this sentence, Avoid the risk is the best match.