What's the next sentence?

The next sentence is to buckle your eyes if you make trouble.

"Blowing sand" means that children can't play all the time, especially when building sand on the beach, and their patience is limited, so they start to play casually a little later. This sentence means that a person has no long-term and is easy to give up halfway.

Introduction:

The most common component in sand is silica, which usually exists in a timely form. Because of its stable chemical properties, hard texture and weathering resistance. The main component of sand is silicon dioxide (SiO2), and the density of silicon dioxide is 2.65g/cm^3, which is 2.65t/m^3.

Sand consists of minerals and tiny rock fragments. Rock fragments are formed by erosion and weathering of rocks. The composition of sand varies from place to place, depending on the source and conditions of local rocks.