在线词典变卦已定的事忽然改变(多含贬义):昨天说得好好儿的,今天怎么~了|别人一说,他就变了卦。拼音biàn guà解释已定的事忽然改变(多含贬义):昨天说得好好儿的,今天怎么~了|别人一说,他就变了卦。英文释义to change one's mind; to go back on one's word