(pos:動詞)
<explanation>
yue:因為牙齒衞生唔好而令到牙齒被細菌侵蝕
eng:to have a decayed tooth; to have dental cavity
<eg>
yue:你成日都食糖，小心蛀牙呀！ (nei5 seng4 jat6 dou1 sik6 tong2, siu2 sam1 zyu3 ngaa4 aa3!)
eng:You are always eating sweets, beware of tooth cavities!
(pos:名詞)
<explanation>
yue:蛀壞咗嘅牙（量詞：隻）
eng:tooth with cavities
<eg>
yue:佢成日食糖，五歲就有一隻蛀牙！ (keoi5 seng4 jat6 sik6 tong2, ng5 seoi3 zau6 jau5 jat1 zek3 zyu3 ngaa4!)
eng:As he eats a lot of sweets, he has a decayed tooth at age five.