Here's a list of some of the most common sweetened drinks served in Hong Kong, with their corresponding descriptions:
coffee - with creamer and bags of sugar on the side
tea - with syrups (jiào), almond milk, honey or agave nectar
fruit tea - with syrups (jiaqi) made from strawberries, blueberries, grapefruit, oranges, etc.
milkshakes - with whipped cream, soft serve ice cream and flavored syrups (cháo kéi) such as chocolate, strawberry or mint