drawing-board
n
1 flat board to which paper is fixed while a drawing is made 制图板; 绘图板.
2 (idm 习语) (go) back to the drawing-board prepare a new plan for sth because an earlier one has failed (失败後)重新做
They´ve rejected our proposal, so it´s back to the drawing-board, I´m afraid. 他们已经拒绝了我们的建议, 看来我们得从头来了.