一晃
yī​huàngyī​huǎng HSK7

in a flash

yī​huàng in a flash · to flash by
  1. 一 yī adverbnumeral
    [suddenness]
    Used before a verb to indicate that an action or situation occurs suddenly or unexpectedly.
  2. 晃 huǎng adverb
    to flash past
    to flash past or pass in a flash

yī​huàng to sway
  1. 一 yī adverbnumeral
    [suddenness]
    Used before a verb to indicate that an action or situation occurs suddenly or unexpectedly.
  2. 晃 huàng verb
    to sway
    to sway; to shake; to rock from side to side; to wander about