词典释义：
each of a set of hard, bony enamel-coated structures in the jaws of most vertebrates, used for biting and chewing
（绝大多数脊椎动物的）牙，齿。
a similar hard, pointed structure in invertebrate animals, typically functioning in the mechanical breakdown of food
（无脊椎动物的）牙，齿。
an appetite or liking for a particular thing
口味；爱好
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what a tooth for fruit a monkey has! 猴子是多么的爱吃水果啊！
[mass noun]roughness given to a surface to allow colour or glue to adhere
粗糙面（颜料、胶水能黏附于上）。
(
〈喻〉 （机构的）真正力量；（法律、协定的）真正作用，有效性
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the Charter would be fine if it had teeth and could be enforced .如果《宪章》能有效实施的话，那就好了。
(
该死（骂人话，感叹词）
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Hell's teeth! 该死！
a projecting part on a tool or other instrument, especially one of a series that function or engage together, such as a cog on a gearwheel or a point on a saw or comb
（工具、器具的）齿状物。
a projecting part on an animal or plant, especially one of a jagged or dentate row on the margin of a leaf or shell
（动、植物的）齿状物（尤指叶子或贝壳边缘）。
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armed to the teeth formidably armed 武装到牙齿，全副武装 -
fight tooth and nail fight very fiercely 凶猛地打斗 -
get （或sink ）one's teeth into work energetically and productively on （a task） 积极而富成效地工作；专注于the course gives students something to get their teeth into . 这门课程能给学生一些值得深究的东西 -
in the teeth of directly against （the wind） 逆（风） -
in spite of or contrary to （opposition or difficulty） 顶着，不顾（反对，困难）
we defended it in the teeth of persecution . 尽管会遭受迫害，我们仍为其辩护 -
set someone's teeth on edge 见EDGE.
"Old English
