There is something about wrong counting that creates its own speed wall.

这就是数错拍子所造成的速度障碍。

youdao

If you happen to set the metronome at this intermediate speed, you might struggle at it for long periods of time and build up a speed wall.

如果你刚好把节拍器设置在中速，你的速度提升可能会因此而长期无法有明显的进步。

youdao

You might manage to play through these mistakes at slow speed, but when speeded up, they become impossible to play and you begin to build a speed wall.

或许你能够带着这些错误以一个较低的速度进行弹奏，然而一旦速度提升，这将变得不再可能，你也就此开始筑起了一道速度壁垒。

youdao

He saw those changes then take place with incredible speed when the Berlin Wall came down and the Iron Curtain was pulled asunder.

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Did you know, that if you're going 100 mph, directly at a very, very thick, reinforced concrete wall, and you speed up, so you're accelerating right when you hit the wall that the accident you have is going to be much worse than if you'd jammed on the brakes as soon as you saw the wall at the end of the street?

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It turns out, she writes, that the whole diagnosis is based on one experiment from the 1960s in which doctors strapped 50 monkeys onto a track and slammed them into a wall at high speed.

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