Do un'occhiata: il guaio sembra peggio.

Yes. Dare un'occhiata is a very common Italian expression meaning to take a look or to have a quick look.

Literally:

• dare = to give
• un'occhiata = a glance / a look

So the literal idea is to give a glance, but the natural English meaning is to take a look.

In this sentence, do un'occhiata means I take a look or, depending on context, I’ll take a look.

Yes, it is the first-person singular present of dare:

• io do = I give

You may sometimes see dò with an accent, mainly to avoid confusion with other uses of do. But modern standard Italian normally writes do without the accent.

So here Do un'occhiata means I take/give a look.

Because Italian usually drops subject pronouns when the verb ending already makes the subject clear.

• do already tells you the subject is I
• so io is unnecessary unless you want emphasis or contrast

Compare:

• Do un'occhiata = I take a look
• Io do un'occhiata = I’ll take a look / I’m the one taking a look, with extra emphasis

Not in this form. Here do means I give / I take, so it is a statement, not an imperative.

If you wanted a command to one person, you would normally say:

• Dai un’occhiata
• or the more traditional spelling Da’ un’occhiata

So:

• Do un’occhiata = I take a look
• Dai un’occhiata = Take a look

Because it comes from una occhiata.

Before a word beginning with a vowel, una is shortened to un’:

• una occhiata → un’occhiata

This is important because occhiata is a feminine noun. The apostrophe shows that un’ stands for una, not the masculine article un.

Occhiata means a glance, a look, or a quick inspection.

It comes from occhio, meaning eye.

So dare un’occhiata has the feeling of:

• taking a quick look
• checking something briefly
• glancing at something to assess it

It is very common and natural in everyday Italian.

Guaio usually means trouble, problem, mess, or snag.

Depending on context, il guaio could refer to:

• a specific problem already being discussed
• a bad situation
• something that has gone wrong

The article il suggests that this is the problem already known in the conversation or situation.

Because sembra means seems, appears, or looks.

That tells you the speaker is making an impression or judgment, not stating something as an absolute fact.

So:

• è peggio = it is worse
• sembra peggio = it seems / looks worse

In this sentence, the speaker checks the situation and then gives an opinion based on what they see.

Peggio is the normal irregular comparative meaning worse.

A few key points:

• peggio = worse
• più male is not standard Italian
• peggiore is also possible in some contexts, especially as a more clearly adjectival form

In everyday Italian, sembra peggio is a very natural way to say it seems worse.

A learner may notice that peggiore also exists, and that is true:

• una situazione peggiore = a worse situation

But in short, for this sentence, peggio is the normal and idiomatic choice.

Because Italian often leaves the comparison implicit when it is obvious from context.

Here peggio may mean:

• worse than before
• worse than expected
• worse than it first seemed

This is very common in both Italian and English. You do not always need to say the full comparison if the situation already makes it clear.

The colon links the two parts very neatly:

• Do un’occhiata = the action
• il guaio sembra peggio = the conclusion after that action

So the feeling is:

• I take a look: the problem seems worse

In English, you might also separate this with:

• a colon
• a dash
• or two sentences

The colon gives the sentence a slightly concise, narrative feel.