押金

yājīn
  1. deposit
  2. down payment

CEDICT

Entry Composition

1 押 yā
  1. to mortgage
  2. to pawn
  3. to detain in custody
  4. to escort and protect
  5. (literary) to sign
2 金 jīn
  1. gold
  2. chemical element Au
  3. generic term for lustrous and ductile metals
  4. money
  5. golden
  6. highly respected
  7. one of the eight categories of ancient musical instruments 八音 bāyīn