Lantai di kamar belum rata.

In Indonesian, a linking verb like is/are is often omitted in simple descriptive sentences.

So:

• Lantai di kamar belum rata.
• literally: Floor in room not yet even.
• natural English: The floor in the room isn’t level yet.

You do not need a separate word for is here. This is very common in Indonesian.

Here, lantai means floor.

A useful note: lantai can also mean storey/floor of a building, depending on context.

Examples:

• Lantai di kamar = the floor in the room
• lantai dua = the second floor / second storey

In this sentence, the context clearly shows it means the physical floor surface.

di is a preposition meaning in, at, on depending on context.
So di kamar means in the room.

Breaking it down:

• di = in/at
• kamar = room

Together:

• lantai di kamar = the floor in the room

This phrase tells you which floor is being talked about.

Not literally. di kamar means in the room, not of the room.

However, in natural English, the floor in the room and the room’s floor can refer to the same thing.

Indonesian is using a location phrase:

• lantai di kamar = floor located in the room

If you wanted a more noun-to-noun style expression, Indonesian often prefers context rather than an English-style possessive structure.

belum means not yet. It implies that the situation may change later.

So:

• belum rata = not level yet

Compare:

• tidak rata = not level / uneven
• belum rata = not level yet

This is an important difference:

• tidak simply negates
• belum means something has not happened or not become true yet

So this sentence suggests the floor is expected to become level later, perhaps after more work.

rata here means even, level, flat, smooth depending on context.

For a floor, the best translations are usually:

• level
• even
• flat

So belum rata suggests the floor surface is still uneven or not properly leveled.

Other uses of rata:

• jalanannya belum rata = the road isn’t even yet
• catnya belum rata = the paint isn’t evenly spread yet

The structure is very natural for Indonesian:

• Lantai di kamar = topic / noun phrase
• belum rata = comment about it

So the pattern is roughly:

[thing being discussed] + [description/state]

Breaking it down:

• Lantai di kamar = the floor in the room
• belum rata = is not level yet

Indonesian often puts the noun phrase first and then gives its condition or quality.

Yes, that can be possible in some contexts, but it is a bit different.

• lantai di kamar = the floor in the room
• lantai kamar = the room floor / bedroom floor

Both can work, but lantai di kamar feels more explicitly locational: the floor that is in the room.

Meanwhile, lantai kamar is a tighter noun phrase and may sound more like the room’s floor.

In many situations, both would be understood, but lantai di kamar is perfectly natural and clear.

kamar usually means a room, often an enclosed room used for a particular purpose. In many everyday contexts, it can mean bedroom, but by itself it does not always have to.

Common combinations:

• kamar tidur = bedroom
• kamar mandi = bathroom

If the sentence only says kamar, the exact type of room depends on context. A translation might say room or bedroom depending on the situation already known to the speakers.

Yes. Indonesian does not have articles like a/an/the.

So:

• lantai can mean a floor, the floor, or just floor in a general sense

The specific meaning comes from context. In this sentence, English usually needs the:

• The floor in the room isn’t level yet.

But Indonesian does not need a separate word for the.

Yes, and it would also be correct, but the meaning changes slightly.

• Lantai di kamar belum rata = The floor in the room is not level yet
• Lantai di kamar tidak rata = The floor in the room is uneven / not level

The first suggests an unfinished process, such as construction or repair.
The second just states the condition.

So if workers are still fixing it, belum rata is often the better choice.

In this sentence, rata functions like an adjective: even/level/flat.

Indonesian word classes can be more flexible than in English, and many words can behave differently depending on context. But for a learner, it is best to understand rata here as a descriptive word.

So:

• lantai = noun
• di kamar = prepositional phrase
• belum = negative marker meaning not yet
• rata = adjective-like predicate meaning level/even

Sometimes, but it is not exactly the same.

• rata = even, level, flat
• merata = evenly spread/distributed; becoming even throughout

For a physical floor surface, belum rata is the most natural choice.

belum merata is more common for things like:

• paint
• color
• heat
• distribution
• growth

Examples:

• Catnya belum merata. = The paint isn’t evenly spread yet.
• Pembangunan belum merata. = Development is not yet evenly distributed.

For a floor, belum rata is the better fit.

Yes, very strongly.

Because of belum, the sentence often suggests:

• the floor is still being worked on
• leveling is expected to happen
• the current condition is temporary

So a native speaker may naturally understand something like:

• the cement is not finished
• the floor has not been leveled properly yet
• renovation is still in progress

That implication comes from belum, not just from rata.