"Hawajui mpira wa pete"
Translation:They don't know netball
I think it means "they are not aware of the existence of this sport", but I'm not sure...
Not sure I understand the question?
Wanajua -- they know.
Hawajui -- they don't know.
Negative "they" uses the negative prefix, hawa-, drops the tense marker (in the present), and in bantu verbs changes the ending from -a to -i.