Combine the sugar, vinegar, soy sauce and water in a mixing bowl then set aside.
Heat 2 tablespoons of the oil in a wok or casserole. Fry the garlic until browned then set aside.
Pour in the remaining oil, add pork and sauté until medium brown. Pour in the reserved vinegar mixture. Bring to a boil, then simmer over low heat. (Do not stir until the vin