Suddenly open and bright: suddenly open and bright; cheerful: the place is open, with sufficient light and bright. It means that a spacious and bright realm suddenly appears.

When the water falls, the rocks will appear. When the water falls, the rocks at the bottom of the water will be exposed. It means that the truth of the matter is fully revealed.

The truth is revealed. Dabai: Get it completely clear. The real situation is completely clear.

The clouds clear up and the sun appears. The clouds and mist clear away and the sun appears. It means that the darkness has passed and the light has arrived. It is also a metaphor for clearing up misunderstandings.