老掉牙 Save Sign in to save words lǎodiàoyá ㄌㄠˇ ㄉㄧㄠˋ ㄧㄚˊ very old obsolete out of date Character by character 老(lǎo)prefix used before the surname of a person or a numeral indicating the order of birth of the children in a family or to indicate affection or familiarity 掉(diào)fall 牙(yá)tooth A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0