In whatever position I placed the box the needle pertinaciously returned to this unexpected quarter.

无论把盒子放在什么位置， 针都会顽固地回到这个意想到四分之一。

Why do you remain pertinaciously perched on my knee, when I have given you notice to quit?

已通知你辞职，你为什么还一意孤地坐在盖上呢？

And somewhat relieved by this idea (which I failed not to execute that day), I ventured once more to meet my master’s and lover’s eye, which most pertinaciously sought mine, though I averted both face and gaze.

这个想法让稍稍松了一口气（那天没能），再次冒险面对主人和爱人眼睛，尽管避开了脸和目光，但它最着地寻找着眼睛。

And since my space is brief, and I wish to be remembered, I throw what I have to say into the forms of four simple precepts, which, if pertinaciously obeyed, will, I believe, give anybody effective mastery of English as a tool.

由于篇幅很短，而且希望被人记住，所以把要说话写成四个简单规则，相信，如果坚持懈地遵守这些规则，任何人都会有效地掌握英语作为一种工具。