忽冷忽热 hū lěng hū rè

DEFINITIONS

  1. now hot, now cold
  2. (of one's mood, affection etc) to alternate

CHARACTERS

忽 hū suddenly, abruptly; neglect
冷 lěng cold, cool; lonely
忽 hū suddenly, abruptly; neglect
热 rè hot; heat; fever; restless; zeal