Number one, knowing your subject backwards and forwards!

彻底了解你的演讲主题！

All day long, I'm building family trees, backwards and forwards and backwards and forwards.

我整天都在画家谱，来来回回的画。

Let's imagine that movement, backwards and forwards.

我们想象一下它的运动，向后和向前。

You know the DSM backwards and forwards, doctor.

你对《精神疾病诊断手册》倒背如流 医生。

People were chasing backwards and forwards past the door of their compartment.

在他们车厢的门外，不停地有人来回走动。

I walked backwards and forwards in the gallery, feeling cold and uncomfortable.

我在画廊里走来走去，感到寒冷不安。

But don't keep bouncing backwards and forwards when you wanna score this.

但不要反复品尝。

She made me walk backwards, and forwards, and backwards again, for no reason whatsoever.

她让我无缘无故地往回走。

" There it is, " I cried. I waved my light backwards and forwards across the window.

“就在那儿，” 我喊道。我在窗户边前后晃动着蜡烛。

'Just drive round! ' he ordered, and the driver drove backwards and forwards through the streets of London.

“随便去哪儿，”他吩咐道。马车夫就在伦敦的街道上前前后后地转来转去。

From the study above them, however, came the sound of footsteps moving backwards and forwards across the floor.

但上面的书房里只有徘徊的脚步声，打破了周围的寂静。

The little bird was flying busily backwards and forwards as fast as he could, carrying pieces of dry grass.

小鸟正忙碌地飞前飞后衔着枯叶。

She took the Red Queen off the table as she spoke, and shook her backwards and forwards, very hard.

她说着，便把红方王后从桌上拿开，用力地前后摇晃起来。

The passinho started with leg movements, strong steps backwards and forwards, while moving to a Brazilian form of funk music.

在巴西放克音乐的伴奏下，“帕西尼奥”舞蹈者开始了腿部动作，前后迈出有力的步伐。

Backwards and forwards and backwards and forwards, suggesting he may be using that as a bit of a hunting ground.

不停地来回走动，说明那里可能是他的狩猎场。

The result was, that the gate was generally either flapping backwards and forwards in the wind, or standing wide open.

结果是，那门通常都是扑在风中向后和向前，或大开着。

Know your content backwards and forwards, and figure out the absolute best way to present it and win over your audience.

彻底了解你演讲的内容，想出最好的表达方式并掳获观众的心。

And there are some documents which are almost like e-mails that sort of people chatting to each other backwards and forwards.

一些文件基本上就像电子邮件一样，大家来回聊天。

72 is the same backwards and forwards.

72 向后和向前相同。

So, practice that, going backwards and forwards.

所以，练习那个，前后移动。