sharp frostの例文

• Heavy rain and sharp frosts around Europe have tightened supply,
• We wait until Halloween, after a couple of good sharp frosts, with nights in the mid-20s,
• The cause was a combination of a sharp frost in the morning and unseasonal heat later in the day which saw the track expand and kink.
• At the same stage last year there was a sharp frost which resulted in the flowers being blighted and either rotting completely, or developing brown edges to them.