"Sorry, you are wrong."

Translation: Maaf, kalian salah.

[khhunt]

Maaf, Kamu salah.

[Handrisuselo]

This is also correct.

[drnuramita]

'You' could be translated as many words in indonesian based on the contexts.
1. It is translated as 'anda' or 'kamu', IF there's only 1 person you're talking to. 'Anda' is more formal.
2. It is translated as 'kalian' IF there are more than 1 person you're talking to.

So, 'kalian' is a plural version of 'anda' or 'kamu'. Meanwhile in english you can use 'you' both as singular and plural.

[Tannuska]

When should I use kalian or kamu? Is there any rule, or can I use either?

[pokedexblake]

Kalian is a plural "you" and kamu is a singular "you". English makes no such distinction, but this language does. As the comment above says, you might translate kalian to "you guys" or "y'all".

[LydiaMills3]

Kalian = you guys / you lot / youse , kamu = you AFAIK

[BranchVinc]

There is no rule, they mean the same thing

[toothskin]

silap?

[akhdan219255]

Siapa yang salah wkwk

[Sita755895]

Salah is different from salahkah?

[LaveniaGys]

Salahkah is question (example : "is that wrong?" "Itu salahkah?" Or can be "Apakah itu salah?"). Kah is for question

[James390813]

sorry not sorry