n.[C]

1. 釘子
   The nail has been pulled out.

   那隻釘子拔出來了。

2. （手，腳的）指甲；（鳥，獸的）爪
3. （鳥禽）喙上的硬甲殼

vt.

1. 釘，將……釘牢；使固定[O]
   We had the lids nailed on the boxes.

   我們給箱子釘上蓋子。

2. 使（目光，注意力等）集中於[（+on/to）]
   Mr. Hunter kept his eyes nailed on the car in front of his.

   漢特先生目不轉睛地盯著他的前面一輛車子。

3. 【口】抓住，捕獲
   We finally nailed the thief.

   最後我們把小偷抓住了。

4. 【口】揭露，揭穿
   It did not take us long to nail that lie.

   沒多久我們就把謊言揭穿了。

5. 擊，打
6. 【棒】把（跑壘者）刺殺出局

n.

1. a small metal spike with a broadened flat head, driven into wood to join things together or to serve as a hook.
2. a horny covering on the upper surface of the tip of the finger and toe in humans and other primates.
   ▸a hard growth on the upper mandible of some soft-billed birds.
3. a former measure of length for cloth, equal to 2¹⁄₄ inches.
4. a former measure of wool, beef, or other commodity, roughly equal to 7 or 8 pounds.

v.

1. fasten with a nail or nails.
2. informal detect or catch (someone, especially a suspected criminal).
3. informal (in sport) strike (a ball) forcefully and successfully.
   ▸Baseball  (of a fielder) put (a runner) out by throwing to a base.
   ▸chiefly N. Amer. (of a player) defeat or outwit (an opponent).
4. (nail someone down) elicit a firm commitment from someone.
5. (nail something down) identify something precisely.