乘风破浪
做徒劳无功的事

lash the waves plough the air beat the plough hold the plough follow the plough plough the sand look back from the plough put the plough before the oxen put one's hand to the plough plough air waves follow the plough plough the air plough the sand to plough the air waves put one's hand to the plough plough Plough radio waves beta waves yeasty waves return waves