liquids don't sublimate, the definition of sublimation is a solid that changes directly into a gas with no liquid phase. an example of this is dry ice, which go's straight from solid phase to gas...
The answer of this question is similar to the questions why solids are solid and gases are gas? The answer is that in solids the intermolecular forces between the atoms of solid is very strong and...
As a point of reference to aid in this explanation, normal atmospheric conditions are a pressure of about 1 atmosphere or 101 kPa. The triple point of carbon dioxide (which is what dry ice is) is 5.2...