应机立断 yìng jī lì duàn

DEFINITIONS

  1. to act on an opportunity (idiom); to take prompt advantage of a situation

CHARACTERS

应 yìng
HSK 3
should, ought to, must
机 jī
HSK 1
desk; machine; moment
立 lì
HSK 5
stand; let stand; establish, set
断 duàn
HSK 4
sever, cut off; interrupt