Kucing itu terperangkap di dalam bilik itu.

A simple breakdown is:

• kucing = cat
• itu = that / the
• terperangkap = trapped
• di dalam = in / inside
• bilik = room
• itu = that / the

So the structure is roughly:

• Kucing itu = the/that cat
• terperangkap = is/was trapped
• di dalam bilik itu = in the/that room

Because it refers to two different nouns:

• kucing itu = the/that cat
• bilik itu = the/that room

In Malay, itu often comes after the noun it describes. So instead of English that cat, Malay says cat that.

It can be understood as either, depending on context.

In many Malay sentences, noun + itu makes the noun definite, so it often translates naturally as the in English:

• kucing itu = the cat
• bilik itu = the room

But in some contexts it can feel more like that:

• kucing itu = that cat
• bilik itu = that room

So itu does not match English the and that perfectly; it covers some of the functions of both.

Because in Malay, demonstratives like ini and itu normally come after the noun.

So:

• kucing ini = this cat
• kucing itu = that cat

This is a very common word-order pattern in Malay.

Terperangkap means trapped, stuck, or caught.

The prefix ter- often gives the idea of:

• a state or condition
• something that happened unintentionally
• something resulting from an event

So terperangkap suggests being in the state of being trapped, often not on purpose.

In this sentence, kucing itu terperangkap means the cat ended up trapped or is in a trapped state.

It behaves a bit like both from an English learner’s point of view.

In Malay, words like terperangkap can function as the main predicate of a sentence without needing a separate word for is. So:

• Kucing itu terperangkap = The cat is trapped / The cat was trapped

You can think of it as a stative verb or adjective-like predicate. The important point is that Malay does not need a separate is here.

Malay often leaves out the verb to be in sentences like this.

English:

• The cat is trapped

Malay:

• Kucing itu terperangkap

This is normal Malay grammar. A predicate such as terperangkap can stand directly after the subject without needing a separate copula like is or was.

Because here di is a preposition meaning at/in/on, and prepositional di is written as a separate word:

• di dalam bilik = in the room

This is different from the passive prefix di-, which is attached to a verb:

• ditutup = closed
• dibuka = opened

So:

• di bilik = in the room
• ditutup = be closed / was closed

That spelling difference is very important in Malay.

Both can refer to being inside something, but di dalam is more explicitly locational.

• dalam bilik = in the room / inside the room
• di dalam bilik = in the room / inside the room

In many everyday sentences, both are possible. Di dalam can sound a little fuller or clearer because di marks location and dalam adds the idea of inside.

So Kucing itu terperangkap dalam bilik itu is also possible in many contexts.

Because di dalam emphasizes inside the room.

Compare:

• di bilik itu = in the room / at the room
• di dalam bilik itu = inside the room

With terperangkap, using di dalam sounds especially natural because being trapped often highlights being enclosed inside something.

Not by itself. Malay usually does not mark tense the way English does.

So Kucing itu terperangkap di dalam bilik itu can mean:

• The cat is trapped in the room
• The cat was trapped in the room

The exact time depends on context. If needed, Malay can add time words such as:

• sedang = currently / in the process of
• telah / sudah = already
• akan = will

But without those, the sentence is neutral about tense.

Malay does not use articles exactly like English a and the.

If you want an indefinite meaning like a cat, you can often just say:

• kucing = a cat / cats / cat

Or, if you want to be more specific and natural when introducing one animal, you can say:

• seekor kucing = a cat

So:

• Seekor kucing terperangkap di dalam bilik. = A cat is trapped in a room.

Here seekor is a classifier commonly used for animals.

Bilik usually means room in a general sense. Depending on context, it can sometimes refer to a bedroom, but by itself the safest translation is room.

If you want to be more specific, Malay can use expressions like:

• bilik tidur = bedroom
• bilik mandi = bathroom

So in this sentence, bilik itu is best understood as the room unless context says otherwise.

Yes, it is natural and grammatical.

A very natural spoken version could also be:

• Kucing itu terperangkap dalam bilik itu.

Both are fine. The version with di dalam sounds clear and slightly more explicit about the cat being inside the room.