一 ㄧ yī 波 ㄅㄛ bō 未 ㄨㄟ ˋ wèi 平 ㄆㄧㄥ ˊ píng ， 一 ㄧ yī 波 ㄅㄛ bō 又 ㄧㄡ ˋ yòu 起 ㄑㄧ ˇ qǐ before the first wave subsides, a new wave rises (idiom); a new problem arises before the old is solved many twists and turns to a story one thing after another