If you don't do this, the plane will fall off into a knife edge spin.

假如你做得不好的话，飞机会进入刀刃旋转。

youdao

From 12 feet, you'll throw a full-spin rotation. Grab the knife by the handle, as you would a hammer, but keep your thumb along the top edge for stability and to prevent over-rotation.

你得从12英尺外让刀旋转着飞出去，所以你要像握锤子一样握住刀把，并且让拇指顺着刀刃的方向以保持平衡、防止刀转过头。

youdao

Make sure that you are skimming the edge of the ball, rather than hitting towards the center of the ball. The closer to the edge contact is made, the more spin you will generate.

发旋转秋的关键是要球拍擦过乒乓球的边缘部分，而不是结结实实的打在乒乓球的中心。

youdao

As soon as I detect with what we'll call a condition if I'm touching the edge I have to essentially spin around 180 degrees and then continue looping.

一旦我检测到这种情况,当我碰到边界时,我需要转180°然后继续这一循环过程。

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The premium placed on the ability to sneak the ball past either edge of the bat also means more bowlers spin it in both directions.

WSJ: Why Test Cricket Is All In a Spin

It was Paul Collingwood who made the breakthrough, ironically with an off-cutter, to trap Kamran marginally on the line of off-stump when sweeping, while Hafeez was bowled via the inside edge and pad off Graeme Swann, who found some spin and was relatively economical.

BBC: Century for Andrew Strauss in England win over Pakistan

Medium-pacer Martin-Jenkins trapped Dinesh Karthik lbw and saw Gautam Gambhir top-edge an attempted cut to backward point, while Michael Yardy's left-arm spin removed Kumble and Sreesanth with successive balls in the first over after lunch to leave India in disarray.

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