Word · Frequency #2471
knifes
用刀刺；用刀砍
knifes is the third person singular of knife.
核心释义
To injure or kill someone by stabbing, slashing, or cutting them with a knife.
- 1.
To cut with a knife.
- 2.
To use a knife to injure or kill by stabbing, slashing, or otherwise using the sharp edge of the knife as a weapon.
- 3.
To cut through as if with a knife.
- 4.
To betray, especially in the context of a political slate.
- 5.
To positively ignore, especially in order to denigrate; compare cut.
用刀切；像刀一样切开；劈开；背叛；出卖；故意不理睬；冷落；切割
用法In use
She carefully knifed the ripe mango into thin slices.
用法提示：用作及物动词，表示“切割”。
He accidentally knifed his finger while washing the sharp blade.
用法提示：用作及物动词，表示“割伤”。
The speedboat knifes through the calm water effortlessly.
用法提示：用作不及物动词，表示“劈开/穿过”。
knife sb (in + body part)
表示用刀刺伤某人；要具体说明刺中的部位时，用 in 接身体部位，如 in the arm、in the chest。
The robber knifed the shopkeeper in the arm.
劫匪用刀刺中了店主的手臂。
knife through sth
这个结构常用来描述船只、飞机等快速而有力地穿过空气或水面。
相关词与表达Connections
搭配Collocations
- knife through something
- 像刀一样切开；劈开
- The speedboat knifed through the dark water.快艇像刀一样划破深色的水面。
- knife someone in the back
- 背后捅刀子；背叛
- She knifed her best friend in the back to get the promotion.为了升职，她在背后捅了最好的朋友一刀。
- get knifed
- 被刀刺伤；被捅
- He got knifed in a robbery last night.他昨晚在一场抢劫中被捅伤了。
- knife open
- 用刀划开
- He knifed open the plastic packaging.他用刀划开了塑料包装。
习语与比喻表达
学习提示Learner notes
记忆技巧Memory Tip
联想记忆：knife的k不发音，想象k像刀鞘一样被藏起，剩下的nife音近“奈夫”，挥刀切、刺。记住k不发音，看到knife就想到刀。
语境与语域Context & Register
语域：mixed 常见场景：news reports、police records、literary texts、political commentary 动词 knife 的用法因语境而异：表示“用刀刺/切”时多用于新闻、警方报告或文学描写，比较中性偏书面；表示“背叛”时通常用于政治等比喻性语境，比较口语化。日常口语中更常用 stab 或 cut。
发音与拼写Pronunciation & Spelling
与 knife 押韵的词都以 /aɪf/ 结尾：life、wife、strife、rife、fife。注意：knife 中的 k 不发音；拼写相近的 knee /niː/、knight /naɪt/、knock /nɒk/ 读音不同，不要混淆。
高价值词汇High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
用法优先级Usage priority
Collins 词频等级为 3，建议结合例句记忆，而不是只背中文释义。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.