a knife for (doing) sth
表示用途的介词结构。
He bought a knife for carving meat.
他买了一把用来切肉的刀。
匕首；短刀；刀片；刀具；细长尖削物；刀状物；一种切割用的刃具,有尖刃、利边和手柄。；一种有手柄和尖刃的武器。
A tool for cutting, with a sharp blade attached to a handle.
A utensil or a tool designed for cutting, consisting of a flat piece of hard material, usually steel or other metal (the blade), usually sharpened on one edge, attached to a handle. The blade may be pointed for piercing.
一种切割用的刃具,有尖刃、利边和手柄。
edge tool used as a cutting instrument; has a pointed blade with a sharp edge and a handle
A weapon designed with the aforementioned specifications intended for slashing or stabbing but too short to be called a sword; a dagger.
一种有手柄和尖刃的武器。
a weapon with a handle and blade with a sharp point
Any blade-like part in a tool or a machine designed for cutting, such as that of a chipper.
任何短暂存在的细长突出物。
any long thin projection that is transient
He carefully sharpened the knife before slicing the bread.
他仔细磨快了刀，然后切面包。
用法提示：句中“knife”用作名词，指一种切割工具。
AI contextual example
The chef used a large knife to chop the vegetables.
厨师用一把大刀切蔬菜。
用法提示：句中“knife”用作名词，指厨房用的刀具。
AI contextual example
She packed a small knife in her camping gear for outdoor cooking.
她在露营装备里装了一把小刀，用于户外烹饪。
用法提示：句中“knife”用作名词，指随身携带的刀具。
AI contextual example
表示用途的介词结构。
He bought a knife for carving meat.
他买了一把用来切肉的刀。
使用工具做某事的常见搭配。
She used a knife to cut the bread.
她用刀切面包。
强调切割的工具有介词with引导。
He cut the rope with a knife.
他用刀割断了绳子。
形容词修饰knife描述其锋利程度。
A sharp knife makes cooking easier.
锋利的刀使烹饪更容易。
grammar · medium
易错句子I need two knifes.
正确表达I need two knives.
knife的复数形式是knives（变f为v加es），而不是规则加s。
grammar · medium
易错句子He bought knife.
正确表达He bought a knife.
knife是可数名词，单数形式前通常需要冠词（a/an/the）或数量词。
作为武器的刀的反义词，指防御性器具
blade 指刀的刀刃部分，而 knife 指整把刀。
dagger 是专用于刺杀的短刀，knife 是更通用的刀具。
life 与 knife 发音相近，但意思完全不同。
锋利的刀
Be careful with that sharp knife.
小心那把锋利的刀。
厨房刀
She used a kitchen knife to chop the vegetables.
她用一把厨房刀切蔬菜。
折叠刀
He always carries a pocket knife in his backpack.
他的背包里总是带着一把折叠刀。
黄油刀
Please pass me the butter knife for the toast.
请把黄油刀递给我，我要涂吐司。
猎刀
The hunter cleaned his hunting knife after the trip.
猎人旅行后清理了他的猎刀。
切肉刀
A good carving knife is essential for carving a turkey.
一把好的切肉刀对于切火鸡是必不可少的。
接受手术
He went under the knife to remove his appendix.
他接受了切除阑尾的手术。
处于紧张状态；结果难料
The election results are on a knife edge.
选举结果尚不明朗，形势紧张。
轻而易举地
The new software cut through the complex data like a hot knife through butter.
新软件处理复杂数据就像快刀切黄油一样轻松。
我带了把刀来参加枪战。
Al Capone famously said he brought a knife to a gunfight.
阿尔·卡彭曾著名地说他带了一把刀参加枪战。
刀客麦克
The classic song 'Mack the Knife' was popularized by Bobby Darin.
经典歌曲《刀客麦克》由博比·达林推广。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.