21A.21
15
.
 |
 |
 |
 |
 |
 |
門齒 front teeth;
犬齒 canine teeth, also (descriptive) jagged, uneven;
臼齒 molar;
乳齒 milk teeth;
齒蠹 tooth decay;
齒痕，齒印 tooth marks of biting;
切齒 gnash teeth with hatred;
不敢啟齒 dare not mention subject;
何足掛齒 not worth talking about;
露齒而笑 to grin;
齒亡舌存 the soft and flexible lasts longer than the hard;
沒齒不忘 shall not forget till death;
齒決 (AC) bite off with teeth.
(2) Gear, teeth of appliances: 輪齒 gear, cogs;
鋸齒，梳齒 teeth of a saw, a comb;
齒輪，齒軌 [chi3lun2], [chi3gui3]↓.
(3) Age, seniority: 序齒 seat guests according to seniority;
馬齒已長 (fig.) (self-derogatory) one is old.
(2) To arrange;
to regard as same class: 齒列 arrange in a row;
齒錄 to list in order;
不齒人類，不以人齒之 (contempt.) do not regard as a human being.
2.齒根 [chi3gen1], n., root of tooth.
3.齒冠 [chi3guan1], n., tooth crown.
4.齒軌 [chi3gui3], n., rack rail.
5.齒寒 [chi3han2], phr.., see 脣亡齒寒 51A.42.
6.齒及 [chi3ji2], phr., 何足齒及 not worth mentioning.
7.齒擊 [chi4ji2], phr., teeth chatter.
8.齒質 [chi3zhi2], n., dentine.
9.齒冷 [chi2leng3], v.i., snigger at: 令人齒冷 invite contempt.
10.齒列 [chi3lie4], v.i., regard as same class.
11.齒錄 [chi3lu4], v.t., to register in proper class, pass examinations.
12.齒輪 [chi3lun2], n., wheel gear.
13.齒次 [chi3ci4], n., order according to seniority.
14.齒吻 [chi2wen3], n., lips and teeth.
15.齒音 [chi3yin1]1, n., (phonetics) dental sibilant (ts, tz, s, etc.).
16.齒齦 [chi3yin1]2, n., gum (of teeth).