相機行事 xiàng jī xíng shì

DEFINITIONS

  1. to act as circumstances dictate (idiom)

CHARACTERS

相 xiàng
HSK 3
mutual, reciprocal, each other
機 jī machine; moment, chance
行 xíng
HSK 3
go; walk; move, travel; circulate
事 shì
HSK 2
affair, matter, business; to serve; accident, incident