Nothing's better than unwinding by the water while you're on vacation. Take a picnic to Wozhou Lake and then hang around for a lovely sunset.
You'll be spoiled for sightseeing choice in Shaoxing. Wozhou Lake is a good place to start here, but there are many other worthy places to experience. Nanyan Mountain, and Zhenjun Hall are near the body of water and will round out your day nicely.