have a nail on one's finger/toe
She has a broken nail on her index finger.
她的食指上有一块断裂的指甲。
指甲；趾甲
nails — plural of nail
钉子；嘴甲；爪片；旧时长度单位（1/16码）；圆形交易台
The hard, thin plate at the end of a finger or toe in humans and many animals.
多种动物(包括大多数爬行动物、鸟类和哺乳动物,含人类)指(趾)端的角质板或附属物。
The horny plate or appendage at the ends of the digits of various animals, including most reptiles, birds, and mammals (both nonhuman and human).
覆盖并保护手指背面的角质板
horny plate covering and protecting part of the dorsal surface of the digits
某些半翅目昆虫前翅基部加厚部分。
The basal thickened portion of the anterior wings of certain hemiptera.
用作紧固件的细长尖金属件
a thin pointed piece of metal that is hammered into materials as a fastener
鸭等鸟类喙末端的角质板。
The terminal horny plate on the beak of ducks and other allied birds.
旧时用于测量布料的长度单位,等于1/16码
a former unit of length for cloth equal to 1/16 of a yard
用于连接木材等物件的钉状金属紧固件,通常用锤子敲入两层或多层材料中,依靠摩擦固定。
A spike-shaped metal fastener used for joining wood or similar materials. The nail is generally driven through two or more layers of material by means of impacts from a hammer or other device. It is then held in place by friction.
昔日商人做买卖的圆形台座,如布里斯托尔交易所外的四个钉子台。
A round pedestal on which merchants once carried out their business, such as the four nails outside The Exchange, Bristol.
英国旧长度单位,等于1/20厄尔或1/16码(2.25英寸或5.715厘米)。
An archaic English unit of length equivalent to 1⁄20 of an ell or 1⁄16 of a yard (2+1⁄4 inches or 5.715 cm).
He hammered a nail into the wall to hang the picture.
他往墙上钉了一根钉子来挂画。
用法提示：此处 'nail' 作为名词，指用于固定的金属钉。
The carpenter used a nail gun to drive nails quickly.
木匠用钉枪快速钉钉子。
用法提示：句中 'nails' 是名词复数，指多个金属钉。
She pulled out the bent nail with a claw hammer.
她用羊角锤拔出了那根弯曲的钉子。
用法提示：'nail' 作名词，指具体的金属钉。
She has a broken nail on her index finger.
她的食指上有一块断裂的指甲。
He drove a nail into the wall to hang a picture.
他往墙上钉了一颗钉子来挂画。
纳尔是旧时长度单位，等于1/16码。
The tailor used a nail of cloth to measure the length.
裁缝用一纳尔布料来测量长度。
特指手指甲，与nail通用，但nail也可指脚趾甲
特指脚趾甲，nail可指手指甲与脚趾甲，但toenail更具体
指较粗大的钉子，用于铁路或建筑，nail通常较小
钉帽扁平的短钉，用于固定地毯、画框等轻物，nail多有尖头
grammar · medium
易错句子I painted my nail red.
正确表达I painted my nails red.
指甲是可数名词，当涉及多个手指甲时，必须使用复数形式 nails。
grammar · medium
易错句子He drove nail into wood.
正确表达He drove a nail into the wood.
金属钉子是可数名词，单数形式前需加不定冠词 a；wood 前加定冠词 the 表示特指该木头。
nail泛指手指甲或脚趾甲，fingernail专指手指甲。
nail是钉子，通常用锤子敲入；screw是螺丝，需用螺丝刀旋入。
指甲油
She painted her nails with red nail polish.
她用红色指甲油涂了指甲。
指甲钳
I need to cut my nails; do you have a nail clipper?
我需要剪指甲，你有指甲钳吗？
指甲锉
Use a nail file to smooth the edges of your nails.
用指甲锉把指甲边缘磨光滑。
钉钉子
He hammered a nail into the wall to hang the picture.
他往墙上钉了一颗钉子来挂画。
把钉子敲进去
Be careful when you drive a nail into hard wood.
把钉子敲进硬木时要小心。
钉枪
The carpenter used a nail gun to speed up the work.
木匠用钉枪来加快工作速度。
说到点子上；一针见血
You hit the nail on the head when you said the problem is lack of communication.
当你说问题在于缺乏沟通时，你说到了点子上。
令人紧张的；悬念丛生的
The movie's final scene was absolutely nail-biting.
电影的最后场景真是令人紧张得屏住呼吸。
全力以赴；拼命斗争
The workers fought tooth and nail for their rights.
工人们为争取自己的权利而拼命斗争。
一针见血
When you said that, you hit the nail on the head.
你那么说的时候，真是一针见血。
突出的钉子会被敲下去
In this company, if you stand out too much, you'll be hammered down like a nail that sticks out.
在这家公司，如果你太突出，就会像突出的钉子一样被敲下去。
发长 /eɪ/ 音 (如 rain, wait)
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.