We'll have to abort the plan and go back to the drawing board.我们将不得不放弃计划，从头再来。The current system just isn't working – we need to go back to the drawing board and start afresh.目前的方法行不通，我们得另起炉灶，从头再来。The company went back to the drawing board to make a better product.公司开始重整旗鼓以制造出更好的产品。