Combine soy sauce, sugar, water, juice, and cornstarch in small bowl and set aside.
In large skillet stir fry broccoli with 2 Tbsp oil for about 2-3 minutes. Do not overcook. Set broccoli aside in a dish.
Pour remaining oil into skillet and add beef steak and cook until well browned on all sides. Add garlic and cook until fragrant but not more than 1 min.
Pour soy sauce mixture over meat and cook until slightly thickened.