1.   The frost nipped at our fingers.

2.   The drop in soybean prices accelerated as speculators betting that a fall frost would nip production closed their positions, traders said.

3.   The single blossoms are rarely nipped by frost because they appear relatively late in spring at the tips of new shoots.

4.   The warmer and dryer the weather, the more misery the pollen inflicts, until the first frost nips the ragweed into submission.