grasp the nettle

详细解释:迎着困难上

例句：

Our object must now be to bring theatres up to date. But if we were to do this, we would have to grasp the nettle firmly with both hands.我们的目标是要使剧院达到现代水平，但要实现这一点，我们就得大胆地抓一些棘手的问题。