to blow hot and cold
01
気分屋で意見が変わりやすい, 意見がすぐ変わる
to change one's opinions about something often and quickly, sometimes being enthusiastic and other times indifferent or negative
![to [blow] hot and cold definition and meaning](https://cdn.langeek.co/photo/22105/original/?type=jpeg "to [blow] hot and cold definition and meaning")
idiom
例
She keeps blowing hot and cold about moving to a new city, making it hard to plan.
チームに入ることについて、彼は気分屋で、一日はワクワクし、次の日はためらう。
