| 单词 | nail |
| 释义 | nail n. & v. --n 1. a small usu. sharpened metal spike with a broadened flat head, driven in with a hammer to join things together or to serve as a peg, protection (cf. HOBNAIL), or decoration. 2. a a horny covering on the upper surface of the tip of the human finger or toe. b a claw or talon. c a hard growth on the upper mandible of some soft-billed birds. 3. hist. a measure of cloth length (equal to 21/4 inches). --vtr. 1. fasten with a nail or nails (nailed it to the beam; nailed the planks together). 2. fix or keep (a person, attention, etc.) fixed. 3. a secure, catch, or get hold of (a person or thing). b expose or discover (a lie or a liar). Phrases and idioms hard as nails 1 callous; unfeeling. 2. in good physical condition. nail-biting causing severe anxiety or tension. nail-brush a small brush for cleaning the nails. nail one's colours to the mast persist; refuse to give in. nail down 1. bind (a person) to a promise etc. 2. define precisely. 3. fasten (a thing) with nails. nail enamel US = nail polish. nail-file a roughened metal or emery strip used for smoothing the nails. nail-head Archit. an ornament like the head of a nail. nail in a person's coffin something thought to increase the risk of death. nail polish a varnish applied to the nails to colour them or make them shiny. nail-punch (or -set) a tool for sinking the head of a nail below a surface. nail-scissors small curved scissors for trimming the nails. nail up 1. close (a door etc.) with nails. 2. fix (a thing) at a height with nails. nail varnish Brit. = nail polish. on the nail (esp. of payment) without delay (cash on the nail). Derivatives nailed adj. (also in comb.). nailless adj. Etymology: OE n{aelig}gel, n{aelig}glan f. Gmc |
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