v.敲打；碰撞
n.小山的山顶；丘顶

原形：knap第三人称单数：knaps过去式：knapped过去分词：knapped现在分词：knapping

I need to knap some time out of my schedule for personal errands.
我需要从我的日程中挤出一些时间来处理个人事务。
The knapped flint tools were found at the archaeological site.
在考古遗址发现了打制的燧石工具。
He's been knapping away at that project for months.
他一直在那个项目上敲敲打打好几个月了。
Kneel down and knap your head three times as a sign of respect.
跪下磕三个头作为敬意的表示。
The knap of the fabric was so rough it scratched my skin.
这块布的质地太粗糙了，把我的皮肤都刮伤了。
She's an expert in knapping, she can make stone tools by flaking stones.
她是打制石器的专家，可以通过剥片制作石头工具。
The knap of the carpet was starting to come off.
地毯的绒毛开始脱落了。
The knap of the wood was too soft for making furniture.
木材的质地太软，不适合做家具。
He knapped his fingers together, signaling the start of the performance.
他搓着手指发出响声，示意表演开始。
The knap of the hill provided a good view of the surrounding area.
山顶的斜坡提供了周围地区的良好视野。