犯冷热病

Traditional (Taiwan): 犯冷熱病

fànlěngrèbìng ㄈㄢˋ ㄌㄥˇ ㄖㄜˋ ㄅㄧㄥˋ

    • to blow hot and cold
    • to be keen one moment and indifferent the next

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
suffer from chills-and-fever illness
Meaning
To have moods that swing between hot and cold; to be enthusiastic one moment and indifferent the next. Mildly critical.

Sources