[胡思乱想 / 胡思亂想, hú sī luàn xiǎng, ㄏㄨˊ ㄙ ㄌㄨㄢˋ ㄒㄧㄤˇ]to indulge in flights of fancy (成语 saw); to let one's imagination run wild; to have a bee in one's bonnet; unrealistic utopian fantasy#14804[Add to Longdo]
[きをまわす, kiwomawasu](exp, v5s) to read too much into things; to get wrong ideas by letting one's imagination run wild; to have a groundless suspicion[Add to Longdo]