For Chopsticks In Chinese is pronounced KuaiZi, which sounds like soon to get a son.
因为筷子在汉语中读作“Kuaizi”,听起来很像“快得儿子”。
for the simple reason that I was left with several curiously shaped bits of metal which did not seem to fit anywhere.
原因很简单,因为还剩下几个形状奇特的零件似乎哪里也装不上去。