I dreamed that Guanyin poured me a bottle of clean water, and I picked it up with both hands. What does this mean?

This is a way to show that it is time for you to practice good dharma and show it to the right person.

With such a big fate, you'd better continue to learn Buddhism. Read the Five Classics of Pure Land, Tibetan medicine classics, and general products, and understand the five precepts of Buddhism, ten virtues, and six degrees of Bodhisattva.