Objevili jsme tiché studio.

Czech past tense is usually made of:

• a past participle: objevili
• plus a present-tense form of být (to be): jsme

So objevili jsme means we discovered / we found.

The participle objevili shows plural masculine/mixed agreement by default, and jsme tells you the person: we.

In normal speech and writing, both parts are needed.

The dictionary form is objevit.

That is a perfective verb, so it expresses a completed action: to discover, to find, to uncover.

In this sentence, objevili jsme suggests that the discovery happened as a completed event.

Yes, both are possible.

Czech word order is more flexible than English.
You can say:

• Objevili jsme tiché studio.
• Jsme objevili tiché studio. — much less natural in standard neutral Czech
• Tiché studio jsme objevili.

The most natural neutral version here is Objevili jsme tiché studio.

A useful rule for learners: Czech often puts the auxiliary (jsem, jsi, jsme, jste) in the second position of the clause, while the participle can come first. That is why objevili jsme is very common.

Because Czech has no articles.

So tiché studio can mean:

• a quiet studio
• the quiet studio

The exact meaning depends on context.

English needs articles; Czech does not.

Because tiché is an adjective agreeing with studio.

The noun studio is:

• singular
• neuter
• here in the accusative case

The adjective has to match that, so:

• tiché studio = neuter singular accusative

In this case, the neuter singular nominative and accusative forms are the same, so tiché studio looks the same whether it is the subject or the direct object.

Yes.

It is the direct object of objevili jsme, so it is in the accusative.

However, with many neuter nouns, the accusative singular looks exactly like the nominative singular.
So:

• nominative: studio
• accusative: studio

That is completely normal.

It does decline.

Even though it is a loanword, studio behaves like a normal neuter noun in Czech. For example:

• nominative: studio
• genitive: studia
• dative: studiu
• accusative: studio
• locative: studiu / studiě is not standard; studiu is the normal form
• instrumental: studiem

So in your sentence, studio is a regular declined form, just one that happens to look the same in nominative and accusative.

Because Czech usually omits personal subject pronouns when they are clear from the verb.

Here, jsme already tells you the subject is we, so my is unnecessary.

You could say My jsme objevili tiché studio, but that adds emphasis, something like:

• We discovered the quiet studio.
• It was we who discovered it.

Without emphasis, Czech usually leaves my out.

It can often be understood as either, depending on context.

The verb objevit commonly means:

• to discover
• to find
• to uncover

So Objevili jsme tiché studio could mean:

• We discovered a quiet studio
• We found a quiet studio

If the context is about searching for a place, English found may sound more natural.
If the context is about coming across something previously unknown, discovered may fit better.

Then Czech would normally use the feminine plural past participle:

• Objevily jsme tiché studio.

Why?

Because in the past tense, Czech participles agree with the gender of the subject in the plural:

• objevili jsme = masculine personal / mixed group / default plural
• objevily jsme = all-female group

This is something English does not show, so it often surprises learners.

Objevit is perfective.

That matters because perfective verbs present the action as completed. So:

• Objevili jsme tiché studio. = We discovered/found it, and the event is complete.

The imperfective partner is usually objevovat. For example:

• Objevovali jsme nové podniky. = We were discovering / used to discover new places.

So in your sentence, the perfective verb fits because it refers to one completed discovery.

A simple learner-friendly approximation is:

ob-YEV-i-li zhme TEE-kheh STOO-di-o

A few notes:

• j in Czech sounds like English y
• š sounds like sh
• tiché has ch, which is a throaty sound, like the ch in German Bach or Scottish loch
• jsme is often pronounced very quickly, roughly like zhmeh or smeh depending on speaker and style

The stress in Czech normally falls on the first syllable of each word:

• OBjevili
• jsme
• TÍché
• STUdio

Yes.

For example:

• Tiché studio jsme objevili.

This is grammatical, but the emphasis changes.
Starting with tiché studio makes that object more prominent, as if you are contrasting it with something else:

• The quiet studio is what we found.

So the original sentence is the most neutral version, while a changed word order adds focus or contrast.