相机而动 xiàng jī ér dòng

DEFINITIONS

  1. to wait for the opportune moment before taking action (idiom)

CHARACTERS

相 xiàng
HSK 3
mutual, reciprocal, each other
机 jī
HSK 1
desk; machine; moment
而 ér
HSK 3
and; and then; and yet; but
动 dòng
HSK 2
move, happen; movement, action