Idiom Magic : RUN HOT AND COLD 忽冷忽熱

【明報專訊】"You sure confuse(使……困惑)me," Fiona frowned. "One day you are in favour of having a picnic, and the next day you are opposed to(反對)it! Your interest in picnics seems to run hot and cold!" I think Fiona has a reason to be puzzled because when someone runs hot and cold his or her attitude(態度)or feeling about something (or someone) is constantly changing. "To be honest, my interest in you runs hot and cold," Peter explained.