Kopi ini terasa terlalu pahit.

In Malay, you usually do not need a verb like is/are when a noun is described by an adjective.

So:

• Kopi ini pahit = This coffee is bitter
• Rumah itu besar = That house is big

This is completely normal in Malay. The adjective can act as the predicate by itself.

In your sentence, terasa adds the idea of seems / tastes / feels, so the structure is a little richer than just coffee + bitter, but there is still no separate word for is.

Terasa here means something like:

• tastes
• feels
• seems
• comes across as

With food or drink, terasa often refers to the sensation you experience. So Kopi ini terasa terlalu pahit means the coffee tastes too bitter or seems too bitter.

A useful nuance is that terasa can sound a bit more like a perception or impression, rather than a blunt factual statement.

Compare:

• Kopi ini pahit = This coffee is bitter
• Kopi ini terasa pahit = This coffee tastes bitter / seems bitter

This is a very common learner question.

In standard Malay:

• rasa can be a noun meaning taste / feeling
• rasa can also act like a verb in some contexts, especially in everyday speech
• terasa often means to feel / to be محسوس as / to be noticeable as / to taste

In this sentence, terasa is the more natural standard choice for tastes/feels.

Compare:

• Saya rasa kopi ini pahit. = I think / I feel this coffee is bitter.
  Here rasa can mean think/feel.
• Kopi ini terasa pahit. = This coffee tastes bitter.
  Here the focus is on the coffee’s perceived taste.

So terasa is better when the coffee itself is being described through the sensation it gives.

In Malay, demonstratives like ini (this) and itu (that) usually come after the noun.

So:

• kopi ini = this coffee
• rumah itu = that house
• buku ini = this book

This is one of the basic word-order differences from English.

So English this coffee becomes Malay coffee this → kopi ini.

Terlalu means too, not just very.

So:

• terlalu pahit = too bitter
• sangat pahit = very bitter

This distinction is important:

• sangat is just strong emphasis
• terlalu suggests more than is desirable or acceptable

So if you say Kopi ini terasa terlalu pahit, you are saying the bitterness is excessive, not merely strong.

Yes. Kopi ini terlalu pahit is perfectly natural.

Difference in nuance:

• Kopi ini terlalu pahit = This coffee is too bitter
• Kopi ini terasa terlalu pahit = This coffee tastes/seems too bitter

The version with terasa sounds a bit more about your sensory experience.
The version without it is simpler and more direct.

Both are correct.

In Malay, degree words like terlalu, sangat, and agak usually come before the adjective.

Examples:

• terlalu pahit = too bitter
• sangat manis = very sweet
• agak panas = rather hot

So the order is:

adverb of degree + adjective

That is why you get terlalu pahit, not pahit terlalu.

Yes. Its basic meaning is bitter, especially in taste, but it can also be used more figuratively.

For example:

• kopi pahit = bitter coffee
• pengalaman pahit = a bitter experience

In your sentence, though, the meaning is definitely the literal taste.

You can negate it in a few ways depending on the meaning you want.

• Kopi ini tidak pahit. = This coffee is not bitter.
• Kopi ini tidak terlalu pahit. = This coffee is not too bitter.
• Kopi ini tidak terasa terlalu pahit. = This coffee does not seem / taste too bitter.

Use tidak to negate verbs and adjectives. Since pahit is an adjective, tidak is the correct negator here.

It is generally neutral and natural standard Malay.

• kopi = normal everyday word
• ini = standard
• terasa = standard and natural
• terlalu pahit = standard and common

In casual speech, people might simplify it to Kopi ini terlalu pahit or even use spoken-style phrasing, but the full sentence Kopi ini terasa terlalu pahit sounds perfectly normal and well-formed.

Yes. Terasa is quite flexible and can be used for different kinds of sensation or perception.

For example:

• Makanan itu terasa masin. = That food tastes salty.
• Bilik ini terasa sejuk. = This room feels cold.
• Kehilangannya masih terasa. = The sense of loss is still felt.

So in your sentence, terasa is being used in the taste-related sense, but the word is not limited to taste alone.

A good way to break it down is:

• Kopi ini = this coffee
• terasa = tastes / feels / seems
• terlalu pahit = too bitter

So the overall pattern is:

noun phrase + predicate

More specifically:

Kopi ini + terasa + terlalu pahit

This is a very common Malay sentence pattern: state the thing first, then describe it.