en_tn_lite_do_not_use/mat/15/06.md

does not need to honor his father

It is implied that "his father" means "his parents." This means the religious leaders taught that a person does not need to show respect to his parents by taking care of them.

you have made void the word of God

Alternate translation: "you have treated the word of God as if it were invalid" or "you have ignored God's commands"

for the sake of your traditions

"because you want to follow your traditions"