牢記

牢记
láojì
to keep in mind; to remember

CEDICT

Entry Composition

1 牢 láo
  1. firm
  2. sturdy
  3. fold (for animals)
  4. sacrifice
  5. prison
2 記 jì
  1. to record
  2. to note
  3. to memorize
  4. to remember
  5. mark
  6. sign
  7. classifier for blows, kicks, shots