Sesi pengarang diatur sedemikian rupa sehingga tidak terganggu.

Sesi pengarang is a noun phrase.

• sesi = session
• pengarang = author, writer, sometimes composer depending on context

So sesi pengarang usually means something like:

• the author session
• the writer’s session
• a session for/with the author

In Malay, two nouns are often placed together like this, and the relationship between them depends on context. It does not automatically mean possession in the same strict way as English ’s.

Both can refer to someone who writes, but they are not always identical in nuance.

• penulis = writer, a very common general word
• pengarang = author, often a bit more literary or formal

In many contexts they can overlap, but pengarang may sound more like someone who creates a work such as a book, story, or literary text.

Diatur means is arranged, is organized, or is set up.

The prefix di- usually marks the passive voice in Malay.

• mengatur = to arrange / to organize
• diatur = to be arranged / is arranged

So:

• Sesi pengarang diatur... = The author session is arranged...

This is very common in formal Malay, especially when the doer is unknown, unimportant, or simply not mentioned.

It is not stated. Malay often leaves out the agent in passive sentences if it is obvious, unknown, or not important.

So diatur here simply tells us that the session is arranged, without saying by whom.

If you wanted to mention the agent, Malay could add oleh:

• Sesi pengarang diatur oleh penganjur...
• The author session is arranged by the organizers...

But in your sentence, that information is omitted.

This is a formal expression meaning:

• in such a way that
• so that
• in such a manner that

Breakdown:

• sedemikian = such / like that / of that kind
• rupa = literally form or manner
• sehingga = so that / until

Together, sedemikian rupa sehingga is a set phrase. It sounds fairly formal and polished.

So:

• diatur sedemikian rupa sehingga...
• arranged in such a way that...

Yes, a simpler version is possible.

For example:

• Sesi pengarang diatur supaya tidak terganggu.
• Sesi pengarang diatur agar tidak terganggu.

These also mean The author session is arranged so that it is not disturbed.

The difference is style:

• supaya / agar = simpler, more direct
• sedemikian rupa sehingga = more formal, more elaborate

Terganggu means:

• disturbed
• interrupted
• disrupted
• bothered

The best English choice depends on context.

It comes from ganggu = to disturb / bother / interrupt.

So:

• ganggu = disturb
• terganggu = disturbed / disrupted

In this sentence, tidak terganggu suggests that the session can continue smoothly without interruption.

Good question. Both forms exist, but they are not exactly the same.

• tidak terganggu = not disturbed / not disrupted
• tidak diganggu = not being disturbed by someone

Terganggu often describes a resulting state or condition: the session remains undisturbed.

Diganggu sounds more like a direct passive action by an agent, even if the agent is not named.

In this sentence, tidak terganggu is natural because the focus is on the session staying smooth and uninterrupted.

Because the subject is understood from the earlier part of the sentence.

The full sense is:

• Sesi pengarang diatur sedemikian rupa sehingga sesi pengarang itu tidak terganggu.

But repeating sesi pengarang would sound unnecessary. Malay often omits repeated elements when they are clear from context.

So sehingga tidak terganggu is understood as:

• so that it is not disturbed

where it refers to sesi pengarang.

Not always. Sehingga can mean different things depending on context, including:

• until
• up to
• so that

In your sentence, it clearly means so that because it introduces a result:

• diatur ... sehingga tidak terganggu
• arranged ... so that it is not disturbed

Yes, it sounds fairly formal and written.

The formality comes especially from:

• pengarang
• diatur
• sedemikian rupa sehingga

A more conversational version might be shorter and simpler, for example:

• Sesi pengarang diatur supaya tidak terganggu.

That keeps the same basic meaning but sounds less formal.

Not necessarily. Malay nouns usually do not change form for singular vs. plural.

So sesi could mean:

• session
• sessions

You decide from context.

In this sentence, English would most naturally read it as singular unless the broader context shows several sessions.

The structure is:

• Sesi pengarang = subject
• diatur = passive verb
• sedemikian rupa = adverbial phrase (in such a way)
• sehingga tidak terganggu = result clause (so that it is not disturbed)

So the overall pattern is:

• [Subject] + [passive verb] + [manner] + [result]

That is a useful pattern to recognize in formal Malay writing.