急转直下 jí zhuǎn zhí xià

DEFINITIONS

  1. to develop rapidly after abrupt turn (idiom); dramatic change

CHARACTERS

急 jí
HSK 3
quick, quickly; urgent, pressing
转 zhuǎn
HSK 4
shift, move, turn
直 zhí
HSK 3
straight, erect, vertical
下 xià
HSK 1
under, underneath, below; down; inferior; bring down