1. 齿，牙
2. 嗜好
3. 齿状物
4. 胃口
5. 起损害作用的力量
6. 强制实施的有效手段
7. 齿状部份
8. 从…中获得初步经验
9. 初次涉足
10. 专注于、全力投入（有一定难度的事）
11. 不管，不顾
12. 顶着、迎着（强风）
13. 声音或味道

1. 咬，咬合
2. 啮合
3. 给…装齿
4. 使成锯齿状，将…切成齿状
5. 相咬
6. 刻齿
7. 锉齿
8. 加齿

1. [C]牙,齿 each of the hard white bony structures rooted in the gums, used for biting and chewing

1. hard bonelike structures in the jaws of vertebrates; used for biting and chewing or for attack and defense

2. something resembling the tooth of an animal

3. toothlike structure in invertebrates found in the mouth or alimentary canal or on a shell

4. a means of enforcement;

   "the treaty had no teeth in it"
   

5. one of a number of uniform projections on a gear

1.牙;齿
Yourteeth are the hard white objects in your mouth, which you use for biting and chewing.

e.g. She had very pretty straight teeth...
她有一口漂亮整齐的牙齿。
e.g. If atooth feels very loose, your dentist may recommend that it's taken out.
如果某颗牙松动得很厉害，牙医会建议把它拔掉。

2.齿状物;(梳子、锯、齿轮、拉链等的)齿
Theteeth of something such as a comb, saw, cog, or zip are the parts that stick out in a row on its edge.

e.g. The front cog has 44 teeth.
前齿轮有 44 个齿。

3.(官方组织、法律等的)威力，效力
If you say that something such as an official group or a law hasteeth, you mean that it has power and is able to be effective.

e.g. The opposition argues that the new council will be unconstitutional and without teeth...
反对派争辩说新委员会不但违反宪法，而且没有效力。
e.g. The law must have teeth, and it must be enforced.
法律必须拥有效力，而且必须强制实施。

4. see also: wisdom tooth

5.全副武装;武装到牙齿
Someone who isarmed to the teeth is armed with a lot of weapons or with very effective weapons.

tooth在线翻译

e.g. Both sides were armed to the teeth.
双方都全副武装。

6.获得初步经验(或训练);起步
If you say that someonecut theirteeth doing a particular thing, at a particular time, or in a particular place, you mean that that is how, when, or where they began their career and learned some of their skills.

e.g. ...director John Glen, who cut his teeth on Bond movies...
从邦德电影开始初试牛刀的导演约翰·格伦
e.g. He cut his teeth in the sixties as director of Edinburgh's Traverse Theatre.
他 60 年代刚出道时在爱丁堡特拉弗斯剧院担任导演。

7.使人感到极其不舒服(或恼怒)
If you say that somethingsets yourteeth on edge, you mean that you find it extremely unpleasant or irritating.

e.g. Their voices set your teeth on edge.
他们的声音让你浑身不舒服。

8.奋力争取/竭尽全力阻止
If youfight tooth and nail to do something, you do everything you can in order to achieve it. If youfight somethingtooth and nail, you do everything you can in order to prevent it.

e.g. He foughttooth and nail to keep his job...
他竭尽全力保住自己的工作。
e.g. Unions pledged to fight any compulsory redundancies 'tooth and nail'.
工会许诺会“竭尽所能地”阻止任何强制裁员。

9.潜心专注于;全力投入
If you describe a task or activity as something you canget yourteeth into, you mean that you like it because it is interesting, complex, and makes you think hard.

e.g. This role gave her something to get her teeth into...
这一角色让她全情投入其中。
e.g. They have to get involved and get their teeth into some police work.
他们必须参与进来，全力投入到一些警务工作中。

10.直对;顶着;不顾
If you do somethingin the teeth of a difficulty or danger, you do it in spite of the difficulty or danger.

e.g. I was battling my way along the promenade in the teeth of a force ten gale...
我不顾十级大风沿着步行街挣扎前行。
e.g. In the teeth of the longest recession since the 1930s, the company continues to perform well.
尽管面对 20 世纪 30 年代以来持续时间最长的经济衰退，这家公司却一直经营良好。

11.满口谎话;睁着眼说瞎话
If you say that someoneis lying through theirteeth, you are emphasizing that they are telling lies.

12.年迈的;年老的
If you describe someone aslong in the tooth, you are saying unkindly or humorously that they are old or getting old.

e.g. Aren't I a bit long in thetooth to start being an undergraduate?
我现在才去读大学本科不是有点太老了吗？

13.爱吃甜食
If you havea sweet tooth, you like sweet food very much.

e.g. Add more honey if you have a sweettooth.
如果你喜欢吃甜的就多加点蜂蜜。

14. to get the bit between your teeth -> see bit
to give one's eye teeth for something -> see eye
to gnash one's teeth -> see gnash
to grit your teeth -> see grit
a kick in the teeth -> see kick
by the skin of your teeth -> see skin

1. 牙：对烤瓷冠相邻的天然牙(tooth)与烤瓷冠测色(Po.Crown),本试验仅采用色差(Shade)的差值,反应烤瓷冠与天然牙颜色的接近程度,差值越小,烤瓷冠与天然牙颜色越接近,所以利用Shade Eve电脑比色仪,可以比较准确与客观地反应烤瓷冠的颜色.

2. 齿：例如有些狗(dog)狗(dog)牙齿(tooth)或牙龈长了脓包,嘴周围发炎都会很不配合会抓挠着把美容(features)师的推子推开. 让狗(dog)狗(dog)安静的有控制性的看看推子,闻闻气味,然后听听其声音. 给狗(dog)狗(dog)梳毛的时候让推子在狗(dog)狗(dog)身边转动,

3. tooth的近义词

3. 牙,牙齿：但如果置之不理,狗会在年轻时就开始掉牙,牙齿(tooth)的护理(take care of)应从幼年开始. 这里介绍两种刷牙方法:方法一是用软或消毒纱垫替狗狗抹净牙齿(tooth),然后用药棉浸以大蒜汁涂擦牙齿(tooth)及牙龈,发现齿缝中留有残存的食物,

1. I went to my dentist to have a tooth taken out.
   我去找牙医拔了一颗牙。
2. I've been troubled by a bad tooth.
   有颗坏牙一直使我不舒服。
3. One of my front teeth is giving me trouble.
   我的一颗门牙很痛。
4. His tooth ached all night.
   他的牙疼了一整夜。
5. My tooth has just come out.
   我的牙刚掉下来。
6. I can feel the hole in my tooth with my tongue.
   我用舌头可以舔到我牙齿中的缝。
7. He cried with pain when the dentist pulled his tooth out.
   当牙医给他拔牙时,他疼得叫起来。
8. His high temperature delayed having an infected tooth out.
   他由于发高烧推迟拔掉一颗受感染的牙齿。
9. The dentist took out two of my teeth and asked me to come back again to have further treatment.
   牙医拔掉了我两颗牙,并让我再来做进一步的治疗。
10. Ian's having three teeth taken out tomorrow.
    明天,伊恩要拔除3颗牙。
11. Fighting tooth and nail, the peasants refused to go down before the invaders.
    农民们不甘为入侵者所征服而作殊死的斗争。
12. It is an eye for an eye and a tooth for a tooth.
    以眼还眼,以牙还牙。
13. They are armed to the teeth.
    他们是全副武装。
14. She clenched her teeth.
    她咬紧牙关。
15. Who broke a tooth of this saw?
    谁把这锯子的一个齿弄断了?
16. The law must be given more teeth if crime is to be properly controlled.
    要想有效控制住犯罪活动,就得加强法制的威力。
17. She has a sweet tooth.
    她有吃甜食的嗜好。

• She smiled.., showing a mouthful of magnificent pearly teeth.

  出自：A. N. Wilson

At the dentist’s-(看牙医)

A：I have a terrible toothache.
我牙痛得厉害。

B：Whichtooth is it?
哪颗牙？

A：(Pointing) This one here.
（指指）这一颗。

B：Ah, yes. There’s a big cavity.
啊，是的。有个大洞。

A：Can you fill it?
能补吗？

B：I’m afraid not. Thetooth is too far gone. It’ll have to be taken out.
恐怕不行。坏得太厉害了。只好拔掉了。

A：Then I might as well have it out now.
那还不如现在就拔呢。

tooth在线翻译

B：You’d better wait. The gums are swollen. Take the medicine I prescribe and come back in three days.
还是等等吧。牙床肿了。吃我给你开的药，三天以后再来。

1. tooth的基本意思是“牙,齿”,其复数形式是teeth,但由tooth构成的复合词在变成复数时,则只需将主体名词变成复数形式。
2. tooth也可作“齿状物; (齿轮、锯、梳、耙等的)齿”解。
3. tooth还可作“嗜好,胃口”解。

我们用牙齿咬噬咀嚼。

误 We use our tooth for biting and chewing.

正 We use our teeth for biting and chewing.

析 tooth的复数是 teeth,这里应该用复数形式。

我妹妹有两把牙刷。

误 My sister has two teethbrushes.

正 My sister has two toothbrushes.

析 tooth的复数是teeth,但由tooth构成的复合词在变成复数时,则只需将主体名词变成复数形式。

• ☆ 直接源自古英语的toth，意为牙齿。