tooth的第三人称单数是：tooths。tooth的词语用法是n.(名词)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。tooth的意思是n.牙齿；齿状物；粗糙表面；嗜好。
一、详尽释义点此查看tooth的详细内容
二、英英释义
"the treaty had no teeth in it"
三、词典解释
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
四、例句
This tooth is sensitive to cold.
这颗牙对冷过敏。
I was fitted an artificial tooth by the dentist.
牙医给我镶了颗假牙。
We should brush our teeth at least twice a day.
我们每天应该至少刷两次牙。
He bellowed with pain when the tooth was pulled out.
牙被拔掉时，他疼得大叫。
The sharp parts of a comb or a saw are called teeth.
梳子和锯子的尖锐部分叫作齿。
Mike's wife have a big sweet tooth.
迈克的妻子非常喜欢吃甜食。
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。
五、词汇搭配
六、经典引文
She smiled.., showing a mouthful of magnificent pearly teeth.
出自：A. N. Wilson七、词源解说
tooth的相关近义词
tooth的相关临近词
toothache、toot、toothy、toother、toothly、toothed、toothlet、toothful、Toothill、tooth ax、toothing、tooth key