Sweet and Sour Pork - 菠蘿咕嚕肉

Sweet and sour is one of the few very early and famous fusion dish created by Cantonese restaurant many years ago mainly for the Western customers.In Cantonese this dish has a weird name called 'goo-loo yuk' (咕嚕肉), yuk = meat. I am still puzzled by the word 'goo-loo', if any reader knows better than I do, do let me know. There are various assumptions:- some said it's to do with it being so