Con questo indizio siamo fuori strada.

Con means with. In this sentence, con questo indizio means with this clue or using this clue.

It gives the idea that this particular clue is what is leading us in the wrong direction.

So:

• Con questo indizio = with this clue
• Siamo fuori strada = we are on the wrong track / we are off course

You could think of it as: With this clue, we’re going the wrong way.

Indizio usually means clue, piece of evidence, or indication.

It is often used in contexts like:

• detective stories
• investigations
• solving mysteries
• figuring something out from small signs

It is a little more specific than a general hint. A hint in English can be helpful advice or a suggestion, while indizio often suggests a sign that helps you discover the truth.

Examples:

• La polizia ha trovato un indizio. = The police found a clue.
• Questo indizio non basta. = This clue isn’t enough.

Because indizio is a masculine singular noun.

In Italian, demonstratives like this must agree with the noun:

• questo = masculine singular
• questa = feminine singular
• questi = masculine plural
• queste = feminine plural

So:

• questo indizio = this clue
• questa strada = this road

Even though many English speakers try to guess gender from the ending, it is still something you have to learn with the noun. Here, indizio is masculine.

Siamo is the 1st person plural of essere (to be) in the present tense.

So:

• io sono = I am
• tu sei = you are
• lui/lei è = he/she is
• noi siamo = we are

Since the sentence is talking about we, Italian uses siamo.

Siamo fuori strada literally means we are outside the road, but idiomatically it means we are off track or we are mistaken.

Because fuori strada works like a state or condition here, not just a movement.

Italian says:

• essere fuori strada = to be off track / to be mistaken

So the idea is not only we are going the wrong way, but more we are in the wrong direction or our reasoning is wrong.

This is very natural in Italian. English also often uses to be in similar expressions:

• We are off course
• We are on the wrong track

Literally:

• fuori = outside / out
• strada = road

So fuori strada literally suggests off the road.

But very often it is used figuratively to mean:

• on the wrong track
• off course
• mistaken
• heading in the wrong direction

In your sentence, the figurative meaning is the important one.

In this expression, fuori strada is an idiomatic phrase. Italian often leaves out the article in fixed expressions like this.

So you say:

• essere fuori strada

not normally:

• essere fuori dalla strada for the figurative meaning

If you said fuori dalla strada, that would sound more literal, like being physically off the road.

Compare:

• Siamo fuori strada. = We’re on the wrong track.
• L’auto è finita fuori dalla strada. = The car ended up off the road.

Yes.

It can be:

1. Literal: physically off the road

   • La macchina è andata fuori strada. = The car went off the road.

2. Figurative: mistaken, off track

   • Se pensi questo, sei fuori strada. = If you think that, you’re mistaken.

In your sentence, because of indizio (clue), the figurative meaning is the natural one.

Yes, that is possible.

Italian word order is flexible, so both can work:

• Con questo indizio siamo fuori strada.
• Siamo fuori strada con questo indizio.

The version with con questo indizio first gives more emphasis to the clue itself. It highlights the cause or starting point:

With this clue, we’re off track.

The other version starts with the main statement:

We’re off track with this clue.

Both are correct, but the original sounds slightly more focused on this clue.

Usually, yes.

• Sbagliamo = we are making a mistake / we are wrong
• Siamo fuori strada = we are really on the wrong track / heading in the wrong direction

Fuori strada often suggests that the whole line of reasoning is wrong, not just one small error.

So it can sound a bit more vivid and idiomatic than simply saying we’re wrong.

Not exactly, though they can be related.

• indizio = clue, a specific sign or piece of evidence
• pista = lead, trail, or track in an investigation

For example:

• Abbiamo un indizio. = We have a clue.
• Seguiamo una pista. = We’re following a lead.

This is useful because fuori strada in English is often translated as on the wrong track, and track can make learners think of pista. But here the Italian expression is simply essere fuori strada.

Yes. You just change the verb.

Examples:

• Sono fuori strada. = I’m on the wrong track.
• Sei fuori strada. = You’re mistaken.
• È fuori strada. = He/She is off track.
• Siamo fuori strada. = We’re off track.
• Siete fuori strada. = You all are off track.
• Sono fuori strada. = They are off track.

The expression stays the same; only the form of essere changes.

Yes, it is quite natural and common, especially in situations involving:

• reasoning
• interpretation
• discussion
• investigation
• problem-solving

You can use it when someone has misunderstood something or is following the wrong idea.

Examples:

• Se pensi che sia colpa sua, sei fuori strada. = If you think it’s his fault, you’re on the wrong track.
• Con questa ipotesi siamo fuori strada. = With this hypothesis, we’re off track.

So it is a very useful expression to learn.