Combine Marinade Ingredients In A Small Bowl; Mix Well; Add Pork, Let Stand 20 Minutes; Combine Ingredients For Seasoning Sauce In Small Bowl; Mix Till Smooth. Heat Oil In A Wok Over Medium Heat 1 Minute; Stir-Fry Marinated Pork 2 Minutes Until Very Lightly Browned; Remove With Slotted Spoon, Draining Well Over Wok; Set Aside. Remove Oil From Wok Except 6 Tbsp; Heat Over Medium Heat 30 Seconds; Stir-Fry Onion Until Tender; Add Seasoning Sauce, Bring To A Boil; Add Pork And Garlic; Stir-Fry To Mix Well; Remove And Place In A Large Bowl. Bring 3 Quarts Of Water To A Rapid Boil In A Heavy 5 Quart Pot; Place The Bean Sprouts In A Strainer; Submerge In The Boiling Water For 5 Seconds, Then Plunge Into Iced Water; Remove And Drain Well. Add 1 Tsp Salt And 1 Tsp Oil To Boiling Water; Add Noodles; Cook Until Tender; Drain; Divide Noodles Into 6 Portions And Place In 6 Small Bowls; Spoon Pork And Sauce On Top. Garnish With Carrots, Cucumber And Blanched Bean Sprouts. Toss Lightly Before Serving.