Grate cucumber using large holes of grater.
Place grated cucumber in clean kitchen towel.
Squeeze towel tightly to remove excess water.
Mix Greek yogurt in large bowl.
Add squeezed cucumber to yogurt mixture.
Press garlic cloves through garlic press.
Stir minced garlic into yogurt mixture.
Drizzle olive oil over the mixture.
Add fresh lemon juice to bowl.
Mix in chopped fresh dill thoroughly.
Season with salt according to taste.
Refrigerate for one hour before serving