The phrase ‘I don’t know‘ is used when you are letting someone know that you are not sure about what is being asked. You may also have no knowledge or opinion on a topic.
When someone asks you a question, of course, they want an answer. Our problem is, that sometimes we don’t have an answer for them, and saying “I don’t know” is not good enough.
Here is a list of how to say I don’t know in all 11 official South African languages.