1. My girlfriend blew hot and cold about going to the cinema.
    我女朋友对去看电影一事拿不定主意。

1. 摇摆不定：You are heading into a blind alley.你正在钻牛角尖. | blow hot and cold 摇摆不定 | This guy seemed to have no own idea.He always blew hot and cold.这家伙好象没什么主张,总是摇摆不定.

2. 喜怒无常：blood in one's eye 极度愤怒 | blow hot and cold 喜怒无常 | Blow it! 他**!

3. blow hot and cold

3. (摇摆不定,反复无常)：-a near thing(死里逃生) | -blow hot and cold(摇摆不定,反复无常) | -bombshell(令人大为震惊的意外事件)

4. 忽冷忽热;动摇不定：. Blot on the landscape 杀风景 | blow hot and cold 忽冷忽热;动摇不定 | blow one's own trumpet 自吹自擂