Here a dog represents a small animal that a person can easily kill. The word "sticks" refers to David's staff and shows Goliath's opinion that it is not a good weapon. Goliath uses this question to accuse David of insulting him. AT: "You insult me by coming at me with mere sticks as if I were just a dog!" (See: [[rc://en/ta/man/translate/figs-metaphor]] and [[rc://en/ta/man/translate/figs-rquestion]])