恍然醒悟 huǎng rán xǐng wù

DEFINITIONS

  1. a sudden realization
  2. to realize sth in a flash

CHARACTERS

恍 huǎng
HSK 6
seemingly; absent-minded
然 rán
HSK 2
yes, certainly; pledge, promise
醒 xǐng
HSK 4
wake up; sober up; startle
悟 wù
HSK 6
to apprehend, realize, become aware