Blindness: You can't see in both eyes.

Moonlight is like water: the moonlight is bright and soft, like shining and slowly flowing water. Describe a beautiful moonlit night.

Still shadow and heavy wall: the quiet moon shadow is reflected in the lake, just like a piece of jade in the water. Describe the calm water and pleasant moonlight.

Moonlit night: a vast moonlit night.

Bend in: Come in like a snake.

Ups and downs: Describes the ups and downs of tone or words.

Irresistible: describe the situation as very rapid and irresistible.

Step by step: (Emotion or music, etc. ) can be promoted step by step.

Moonlight shines on the water: Moonlight shines on the water.