1. hurtle v.猛烈碰撞；急飞；猛掷
例句：During the gale roof tiles came hurtling down. 在暴风中屋顶的瓦片哗啦啦地落了下来。
2. unsettling a. 扰乱的, 使人不安的
例句：The dispute remains unsettled. 争端尚未解决。
3. state-of-the-art a. 已经发展的, 最新型的
例句：The coach must stay in touch with the state of the art and extract from it what is relevant. 教练必须跟上发展现状，从中汲取有意义的东西。
4. pick up steam 渐渐加速
例句：The movement continued to pick up steam. 这场运动继续在加速进行。