Indefinite articles aren't often required. If none is employed, the corresponding phrase is said to possess a zero report. Review the next examples wherever the indefinite short article is omitted: Baba alimwambia mwanawe Gagaga:“Kila neno lako na kila kitendo chako, huna budi kujifunza kutokana na jinsi mwalimu wako anavyofanya.” Mawaziri, https://bihlmayermedia-bilder.com/4-advent/