blow hot and cold
to sometimes like or be interested in something or someone and sometimes not, so people are confused about how you really feel:
He's been blowing hot and cold about the trip to Brazil.
Thesaurus: synonyms and related words
Doubt & ambivalence
- ambivalent
- askance
- be in two minds idiom
- chary
- conflicted
- hem and haw idiom
- hum
- hum and haw idiom
- indecision
- indecisive
- insecure
- jury
- shilly-shally
- sit on the fence idiom
- straddle
- tentative
- the jury is (still) out idiom
- unclear
- wobble
- wobbly
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