老掉牙 lǎo diào yá

DEFINITIONS

  1. very old
  2. obsolete
  3. out of date

CHARACTERS

老 lǎo
HSK 1
old, aged; experienced
掉 diào
HSK 4
turn, move; shake, wag; drop down
牙 yá
HSK 3
tooth, molars, teeth; serrated