I have no idea.

I don't know.

Source: Tatoeba

I don't know if I should cry or laugh.

Source: Tatoeba

I don't know where he comes from.

Source: Tatoeba

I don't know if I can help.

Source: Tatoeba

I don't know when she'll be back.

Source: Tatoeba

I do not know if it will rain tomorrow.

I don't know if it will rain tomorrow.

Source: Tatoeba

I don't know whether he is dead or alive.

Source: Tatoeba

I don't know what kind of person he is.

Source: Tatoeba

I don't know what you're talking about.

Source: Tatoeba

I have no idea where she lives.

I don't know where she lives.

Source: Tatoeba

I don't know what it is to be homesick.

I don't know what it's like to be homesick.

Source: Tatoeba

I don't know what you are trying to say, but I like it.

Source: Tatoeba

I don't know how much this motorcycle is.

Source: Tatoeba

I don't know why you listen to her.

Source: Tatoeba

I'm not sure as to when he will turn up.

Source: Tatoeba

I don't know what I'm doing.

Source: Tatoeba

I don't know how deep the lake is.

Source: Tatoeba

I don't know how to use an art file (.art).

Source: Tatoeba

I don't know his last name.

Source: Tatoeba

I don't know how to spell the word.

Source: Tatoeba

She was within an ace of saying "I don't know".

She almost said "I don't know".

Source: Tatoeba

I didn't know what to do.

Source: Tatoeba

I don't know, nor do I care.

Source: Tatoeba

I don't know what you're referring to.

Source: Tatoeba

I do not know that dance.

Source: Tatoeba

I don't know whether he will come or not.

Source: Tatoeba

I don't know when he'll come.

Source: Tatoeba

I do not know how to read nor write.

Source: Tatoeba

I don't know when he came back from France.

Source: Tatoeba

I don't know when I should be there.

I don't know when I need to be there.

Source: Tatoeba