Keandalan membutuhkan ketelitian.

Keandalan is an abstract noun meaning reliability or dependability.

It is formed from:

• andal = reliable, dependable
• ke- ... -an = a circumfix that often turns a root into an abstract noun

So:

• andal → reliable
• keandalan → reliability

This pattern is very common in Indonesian when talking about qualities or states.

Ketelitian comes from teliti, which means careful, thorough, or meticulous.

So ketelitian can mean things like:

• carefulness
• thoroughness
• meticulousness
• precision
• attention to detail

In this sentence, attention to detail or carefulness is probably the most natural sense.

Because ke- ... -an is a very common way to form abstract nouns in Indonesian.

It often turns an adjective or quality into the noun for that quality:

• andal → keandalan = reliability
• teliti → ketelitian = carefulness / precision
• baik → kebaikan = goodness
• aman → keamanan = safety, security

So in this sentence, Indonesian is expressing two abstract qualities: reliability and carefulness/precision.

Butuh means to need or to be in need of, but membutuhkan is the more clearly verbal, more formal, and more standard transitive form.

It is built from:

• butuh = need
• mem-
  • -kan → membutuhkan = to need, to require

In formal written Indonesian, membutuhkan often sounds better, especially with abstract nouns like this.

Compare:

• Saya butuh bantuan. = I need help.
  This is common and natural in speech.
• Proyek ini membutuhkan waktu. = This project requires time.
  This sounds more formal and written.

So in Keandalan membutuhkan ketelitian, membutuhkan fits the formal, general-statement style very well.

The structure is:

• Keandalan = subject
• membutuhkan = verb
• ketelitian = object

So it is a straightforward Subject–Verb–Object sentence, just like English.

That is one reason this sentence is fairly easy to parse once you recognize the word forms.

It can mean either, depending on context.

In many cases:

• need is a basic translation
• require sounds more natural in formal or abstract contexts

Because the subject here is keandalan (reliability), English often sounds smoother with require:

• Reliability requires carefulness
• Reliability requires attention to detail

So even though membutuhkan can mean need, require is often the better English choice in a sentence like this.

Because Indonesian does not use articles the way English does.

In English, we often need words like:

• a
• an
• the

In Indonesian, nouns usually appear without articles, especially in general statements.

So:

• Keandalan membutuhkan ketelitian
  naturally means something like
• Reliability requires carefulness / attention to detail

It is a general truth, not a reference to one specific reliability or one specific carefulness.

Yes, it sounds fairly formal and abstract.

It would fit well in:

• writing
• presentations
• advice about work quality
• technical or professional contexts

It is not unnatural, but it is more like a polished statement than casual conversation.

A more everyday way to express a similar idea might be:

• Kalau mau andal, harus teliti. = If you want to be reliable, you have to be careful.
• Agar andal, kita harus teliti. = To be reliable, we have to be careful.

Yes, people would understand it, but it sounds less formal.

• Keandalan membutuhkan ketelitian = more formal, more polished
• Keandalan butuh ketelitian = more conversational, less formal

In speech, Indonesians often use butuh very naturally. But in formal writing, membutuhkan is usually better.

Yes. Indonesian often likes using abstract nouns in formal statements, especially with patterns like ke- ... -an.

So Indonesian may say something structurally like:

• Reliability requires meticulousness

But in everyday English, we might prefer something less abstract, such as:

• To be reliable, you need to be careful.
• Being reliable requires attention to detail.

So the Indonesian sentence is perfectly normal, but the most natural English translation may not always copy its abstract style exactly.