(急)中譯英，唔該各位英文掂既大佬入來幫下手呀!

Half a catty of red melon seeds, half a catty of black melon seeds, 100 grammes of fruit-flavoured candy.
果汁糖亦有叫 fruit drops 的。
fruit-flavoured candy是較為正統的英語吧！

Half catty red melon seed, half catty black melon seed, 100 gram fruit juice sugars.

Half a catty red melon seeds, half a catty of black melon seeds, 100 grams of fruit sugar.

Half a catty red melon seeds, half a catty of black melon seeds, 100 grams of fruit sugar.

Half a kilogram of red melon seeds, half a kilogram of black melon seeds, a hundred grams of juice candies