There are thousands of lines in the riddle, and you can't see the answer when ten thousand lines fall into the water.

Thousands of lines, you can't see it when you fall into the water. The answer is rain.

Because it rains too fast, people see the rain falling in the form of lines, and when it falls into the water, it blends with the water, and they can't tell who is the rain and who is the water.

Crossword is a traditional word game, which belongs to the traditional form of solving riddles on lanterns. This is also a unique language and cultural phenomenon in China. Guessing is mainly based on the characteristics of complex strokes, relatively independent radicals and changeable structural combinations of square Chinese characters, and is carried out in various ways, such as clutch, loss-increasing, pictographic and knowing.