Place your pineapple on it's side, and secure it in place with one hand while you top and tail it, using a sawing action.

将菠萝横放，一手固定住它， 然后用的动作去头尾。

(saw cutting) One of the challenges is to make it really thin because ideally it should just be two dimensional.

（）战之一是使其变得非薄，因为理想情况下它是二维的。

The grandfather was busy in his little shop, and a sound of hammering and sawing could be heard.

老爷爷在他的小店里忙得不可开交， 时不时能听到锤打的声音。

Ugh, in an ideal world I wouldn't need to do that sawing action, but here we are.

唉，理想情况下我不需要做那种动作，但现实就是这样。