十万火急 shí wàn huǒ jí

DEFINITIONS

  1. most urgent
  2. posthaste
  3. express

CHARACTERS

十 shí
HSK 1
ten, tenth; complete; perfect
万 wàn
HSK 3
ten thousand; innumerable
火 huǒ
HSK 2
fire, flame; burn; anger, rage
急 jí
HSK 3
quick, quickly; urgent, pressing