忽明忽暗
hū​míng​hū'àn

flickering

  1. 忽 hū adverb
    alternating
    Used in repeating patterns to mean "now... now..." or "sometimes... sometimes...", describing rapid alternation between states.
  2. 明 míng nounadjective
    bright
    bright; brilliant; light (as opposed to dark 暗 àn)
  3. 忽 hū adverb
    alternating
    Used in repeating patterns to mean "now... now..." or "sometimes... sometimes...", describing rapid alternation between states.
  4. 暗 àn adjective
    dark
    dark; dim; having very little light; dull in color