1. There was a certain frostiness in his smile.

2. Their longstanding frostiness dissolves, but both are frightened and ashamed of the mutual attraction that has replaced it.

3. Even after the Duke died in 1972, the frostiness went on unabated.

4. The descriptive scene of tragic miner kids waiting for their father shows off a kind of frostiness after a battle cry, calmness after a burst of tears of blood, reaching a tremendous artistic effect.

5. If you face a hostile climate, if you're experiencing frostiness or harsh indifference, go where it's warm, where it's safe, where you know that someone will treat you with the kindness you deserve.

6. For now, US and Chinese relations continue to display a certain frostiness when it comes to the space race .

7. This paper studies the influence of free energy on the surface of air coolers on the forms of condensation or frostiness and the performance of air coolers, through theory and experiments.