tumble up

A cloud of dust is kicked up as the beasts tumble down the river bank before leaping 20 feet into the water.

这些角马冲下河岸，卷起滚滚烟尘，而后它们跳跃20英尺进入河中。

After all, Mr McCain has a military background and Mr Obama came up through the rough and tumble of Chicago politics.

毕竟，麦凯恩有过军队背景，而奥巴马是经历了芝加哥动荡不安的政治生涯才得以上位。

Not content with a 6.4 per cent tumble last Friday to cap off the worst week since the financial crisis, the Shanghai Composite chose to push the envelope today, chalking up a 7.4 per cent fall to 4192.88.

上周五，上证综指收跌6.4%，为金融危机以来表现最糟糕的一周画上了句号。今日，该指数选择挑战一下极限，以7.4%这一更大的跌幅收盘，最终收至4192.88点。

Come along, now, tumble up! I am not going to wait about all day.

来吧, 快点! 我可没打算老在这儿傻等着.

To start off, 10 of us have been encouraged to join this session on "playtime" and to experience some of the rough and tumble we missed while growing up.

一开始，我们当中的10个人受到鼓励，参与这个“游戏”部分，体验一下我们在成长中错过的打闹嬉戏经历。