Here are some general points about the difficulty of learning Indonesian:
Pronounciation: Indonesian pronunciation is generally straightforward and doesn't pose significant challenges. Vowel and consonant sounds are similar to those in many other languages.
Grammar: Indonesian grammar is comparatively simpler compared to many other languages. For instance it does not have tenses or grammatical gender. However some aspects such as the concept of honorifics and politeness levels may require some effort to understand and use appropriately.
Writing system: The Indonesian writing system uses the Roman alphabet, which can ease the learning process for people coming from languages with similar alphabets.
Vocabulary: The Indonesian language is rich in vocabulary and has assimilated words from various sources including Sanskrit, Arabic, Portuguese, Dutch, and English. This may add some complexity to the learning process as some words might not be familiar.
Exposure: The level of difficulty can also be influenced by the extent to which a person is immersed in the language and exposed to authentic resources such as media, conversations with locals, and cultural experiences.
Overall, while the Indonesian language might not be considered an extremely challenging language to learn compared to some others, it does require consistent practice, dedication, and exposure to acquire proficiency in speaking, listening, reading, and writing.