求翻译：　　3、选一脑门够硬的同学或铁哥们，在其必经之路上布置绊索一根，请充分考虑该人身高、速度等因素。将核桃放置在其倒下时脑门的预计触地位置即可。(该方法可能招致受害者的殴打，请慎用。)是什么意思？

3, choose a forehead hard enough students or buddies, the only way in its claim on the layout of a trip, please give full consideration to the people of height, speed and other factors. Will be placed in the fall of walnuts projected forehead touch the ground location. (This method may lead to victi

3, select a brain-door hard enough of their classmates or who, in their path, arranged on a canal in the full consideration of the physical, high-speed, and other factors. Walnut will be placed at the door of their fallen when projected touch location. Victims may be incurred (the method of assault,

　　3rd, chooses a forehead to suffice hard schoolmate or the iron brether, arranges on its road which must be taken stumbles rope, please fully consider factors and so on above-mentioned person height, speed.Lays aside drops down when it the forehead estimate the walnut touches the position then.(Thi

　　3, pick a bullet in the hard enough that students or iron man, in its essential layout Tripwire on the road a piece, taking into consideration the person's height, speed and other factors. Walnut fallen bullet is expected to hit the ground when placed in its location. (Which may be incurred by vic