Usage of the character 齿

tooth
CL:顆／颗 (kē)

hàochǐ

皓齿

[皓齒]

white teeth (symbol of youth and beauty)

chǐlěng

齿冷

[齒冷]

to sneer

chǐjǐ

齿嵴

[齒嵴]

alveolar ridge

chǐtiáo

齿条

[齒條]

rack (and pinion)

qǐchǐ

启齿

[啟齒]

to open one's mouth
to start talking

móchǐ

磨齿

[磨齒]

molar tooth

jùchǐ

锯齿

[鋸齒]

sawtooth

yáchǐ

牙齿

[牙齒]

tooth
dental
CL:顆／颗 (kē)

bàochǐ

刨齿

[刨齒]

gear-shaping

quǎnchǐ

犬齿

[犬齒]

canine tooth

chǐjí

齿及

[齒及]

to mention
referring to

yìchǐ

义齿

[義齒]

artificial tooth

chǐdù

齿蠹

[齒蠹]

tooth decay

chǐlún

齿轮

[齒輪]

(machine) gear
pinion (gear wheel)

jiùchǐ

臼齿

[臼齒]

molar tooth

chǐyīn

齿音

[齒音]

dental consonant

chǐyín

齿龈

[齒齦]

gum
gingiva

lúnchǐ

轮齿

[輪齒]

tooth of cog wheel
gear tooth

kǒuchǐ

口齿

[口齒]

mouth and teeth
enunciation
to articulate
diction
age (of cattle, horses etc)

bèichǐ

贝齿

[貝齒]

pearly white teeth
cowry

ménchǐ

门齿

[門齒]

incisor

chǐgēn

齿根

[齒根]

root of tooth

chǐgēng

齿更

[齒更]

dental transition (from milk teeth to adult teeth)

bùchǐ

不齿

[不齒]

to despise
to hold in contempt

chǐqǔ

齿龋

[齒齲]

tooth decay
caries

qièchǐ

切齿

[切齒]

to gnash one's teeth (in anger)

shàngchǐ

上齿

[上齒]

upper teeth

qǔchǐ

龋齿

[齲齒]

tooth decay
dental caries
cavity

tiěchǐ

铁齿

[鐵齒]

(Tw) obstinate; argumentative; opinionated; skeptical of superstitions (from Taiwanese, Tai-lo pr. (thih-khí))

chǐkǒng

齿孔

[齒孔]

perforations (on a postage stamp)

yòuchǐ

幼齿

[幼齒]

(Tw) naive and innocent (girl or boy); underage prostitute (from Taiwanese, Tai-lo pr. (iù-khí))

guàchǐ

挂齿

[掛齒]

to mention (e.g. "don't mention it")

rǔchǐ

乳齿

[乳齒]

deciduous tooth
milk tooth
baby tooth

xiàchǐ

下齿

[下齒]

bottom teeth

chúnchǐ

唇齿

[唇齒]

lit. lips and teeth (idiom); fig. close partners
interdependent

zhìchǐ

智齿

[智齒]

wisdom tooth

chǐjīng

齿鲸

[齒鯨]

toothed whales
Odontoceti

chǐguān

齿冠

[齒冠]

crown of tooth

lùchǐ

露齿

[露齒]

to grin
also pr. (lòuchǐ)

jùchǐxíng

锯齿形

[鋸齒形]

sawtooth shape
zigzag

kàngjùchǐ

抗锯齿

[抗鋸齒]

anti-aliasing

chǐlúnxiāng

齿轮箱

[齒輪箱]

gearbox

shàngkǒuchǐ

上口齿

[上口齒]

supraoral tooth

nièchǐlèi

啮齿类

[囓齒類]

rodents

jùchǐshā

巨齿鲨

[巨齒鯊]

see 巨牙鯊／巨牙鲨 (jùyáshā)

mùchǐpá

木齿耙

[木齒耙]

a rake (with wooden teeth)

shàngchǐyín

上齿龈

[上齒齦]

upper alveolar ridge

mǎchǐxiàn

马齿苋

[馬齒莧]

Portulaca oleracea (common purslane)

cáochǐmù

槽齿目

[槽齒目]

Thecodontia (obsolete taxonomic grouping of reptiles)

zhuīchǐlún

锥齿轮

[錐齒輪]

pinion gear

cáochǐlèi

槽齿类

[槽齒類]

thecodont (type of reptile that existed in the Permian and Triassic Periods)

chǐchúnyīn

齿唇音

[齒唇音]

see 唇齒音／唇齿音 (chúnchǐyīn)

dòukǒuchǐ

斗口齿

[鬥口齒]

to quarrel
to bicker
glib repartee

qiánchǐyín

前齿龈

[前齒齦]

alveolar
front part of the alveolar ridge

qǔchǐxìng

龋齿性

[齲齒性]

caries-inducing

fǎnjùchǐ

反锯齿

[反鋸齒]

anti-aliasing

chúnchǐyīn

唇齿音

[唇齒音]

labiodental (e.g. the consonant f in standard Chinese)

qiánmóchǐ

前磨齿

[前磨齒]

premolar tooth

jiànchǐhǔ

剑齿虎

[劍齒虎]

saber-toothed tiger

qiánjiùchǐ

前臼齿

[前臼齒]

premolar tooth (immediately behind canine teeth in some mammals)

chǐyínyīn

齿龈音

[齒齦音]

alveolar, apical, or supradental sound (linguistics)

zhìhuìchǐ

智慧齿

[智慧齒]

wisdom tooth

nièchǐmù

啮齿目

[嚙齒目]

order of rodents (rats, squirrels etc)

chǐyínyán

齿龈炎

[齒齦炎]

gingivitis

chúnwángchǐhán

唇亡齿寒

[唇亡齒寒]

lit. without the lips, the teeth feel the cold (idiom); fig. intimately interdependent

Wúchǐyìlóng

无齿翼龙

[無齒翼龍]

Pteranodon (genus of pterosaur)

mòchǐnánwàng

没齿难忘

[沒齒難忘]

hard to forget even after one's teeth fall out (idiom); to remember a benefactor as long as one lives
undying gratitude

mǎchǐtúzēng

马齿徒增

[馬齒徒增]

(self-deprecating) to have grown old without accomplishing anything (idiom)

xiāochújùchǐ

消除锯齿

[消除鋸齒]

anti-alias (computer graphics)

kǒuchǐlínglì

口齿伶俐

[口齒伶俐]

eloquent and fluent speaker (idiom); grandiloquence
the gift of the gab

mòchǐbùwàng

没齿不忘

[沒齒不忘]

lit. will not be forgotten even after one's teeth fall out
to remember as long as one lives
unforgettable (idiom)

qièchǐfǔxīn

切齿腐心

[切齒腐心]

to detest sth or sb to the utmost extreme (idiom)

chúnchǐxiāngyī

唇齿相依

[唇齒相依]

lit. as close as lips and teeth (idiom); closely related
interdependent

hàochǐzhūchún

皓齿朱唇

[皓齒硃唇]

white teeth and vermilion lips (idiom); lovely young woman

kǒuchǐqīngchu

口齿清楚

[口齒清楚]

clear diction
clear articulation

bùzúchǐshù

不足齿数

[不足齒數]

not worth mentioning
not worth considering

língyálìchǐ

伶牙俐齿

[伶牙俐齒]

clever and eloquent (idiom); fluent
having the gift of the gab

jiǔchǐdīngpá

九齿钉耙

[九齒釘耙]

The Nine-Toothed Rake (weapon of Zhu Bajie 豬八戒／猪八戒 ( Zhū Bājiè))

kǒuchǐshēngxiāng

口齿生香

[口齒生香]

eloquence that generates perfume (idiom); profound and significant text

chādòngchǐlún

差动齿轮

[差動齒輪]

differential gear

chǐlièjiǎozhèng

齿列矫正

[齒列矯正]

orthodontic treatment
orthodontics

xiūyúqǐchǐ

羞于启齿

[羞於啟齒]

to be too shy to speak one's mind (idiom)

kǒuchǐbùqīng

口齿不清

[口齒不清]

to lisp
unclear articulation
inarticulate

bùzúguàchǐ

不足挂齿

[不足掛齒]

not worth mentioning (idiom)

hàochǐmíngmóu

皓齿明眸

[皓齒明眸]

white teeth and bright eyes (idiom); lovely young woman

chǐlúnchuándòng

齿轮传动

[齒輪傳動]

gear drive

chǐtiáochǐlún

齿条齿轮

[齒條齒輪]

rack and pinion

chǐjiáshēngxiāng

齿颊生香

[齒頰生香]

lit. to feel the taste in one's mouth (idiom)
fig. to water at the mouth
to drool in anticipation

nièchǐdòngwù

啮齿动物

[嚙齒動物]

rodent

lùchǐ'érxiào

露齿而笑

[露齒而笑]

to grin

nányǐqǐchǐ

难以启齿

[難以啟齒]

to be too embarrassed to mention sth (idiom)
to find it hard to speak about sth

nùmùqièchǐ

怒目切齿

[怒目切齒]

to gnash one's teeth in anger

fātuōkǒuchǐ

发脱口齿

[發脫口齒]

diction
enunciation

míngmóuhàochǐ

明眸皓齿

[明眸皓齒]

to have bright eyes and white teeth

yǎoyáqièchǐ

咬牙切齿

[咬牙切齒]

(idiom) to gnash one's teeth; to fume with rage

dīqǔchǐxìng

低龋齿性

[低齲齒性]

non-caries-inducing

éméihàochǐ

蛾眉皓齿

[蛾眉皓齒]

beautiful eyebrow and white teeth (idiom); lovely young woman

tiěchǐtóngyá

铁齿铜牙

[鐵齒銅牙]

clever and eloquent speaker (idiom)

chǐtiáoqiānjīndǐng

齿条千斤顶

[齒條千斤頂]

rack and pinion jack

yáchǐjiǎozhèngqì

牙齿矫正器

[牙齒矯正器]

orthodontic braces

chǐlièjiǎozhèngqì

齿列矫正器

[齒列矯正器]

see 牙齒矯正器／牙齿矫正器 (yáchǐjiǎozhèngqì)

chǐ'èjiǎozhèngxué

齿颚矫正学

[齒顎矯正學]

orthodontics

shàng'èzhèngménchǐ

上颚正门齿

[上顎正門齒]

maxillary central incisor

yǎoréndegǒubùlòuchǐ

咬人的狗不露齿

[咬人的狗不露齒]

lit. the dog that bites doesn't show its teeth (idiom)
fig. the most sinister of people can look quite harmless

yǎoréngǒurbùlùchǐ

咬人狗儿不露齿

[咬人狗兒不露齒]

lit. the dog that bites does not show its fangs (idiom)
fig. You can't tell the really dangerous enemy from his external appearance.