势在必行 shì zài bì xíng

DEFINITIONS

  1. circumstances require action (idiom); absolutely necessary
  2. imperative

CHARACTERS

势 shì
HSK 5
power, force; tendency
在 zài
HSK 1
be at, in, on; consist in, rest
必 bì
HSK 3
surely, most certainly; must
行 xíng
HSK 3
go; walk; move, travel; circulate