预防针 yù fáng zhēn

DEFINITIONS

  1. immunization injection
  2. fig. forewarning
  3. heads-up
  4. preventive measure

CHARACTERS

预 yù
HSK 4
prepare, arrange; in advance
防 fáng
HSK 5
defend; prevent; embankment
针 zhēn
HSK 4
needle; pin; tack; acupuncture