He started work at the sharpend of the business, as a salesman.
他从这一行最为棘手的工作做起,当了推销员。
《牛津词典》
2
Those four consecutive defeats have cast an unforgiving light on the sharpend of benitez's squad.
连败四场的战绩使得贝尼特斯的队伍最终暴露在无可原谅的目光之中。
3
Thanks to this photographic evidence from Best Made Co., we can definitively say they're thinner than an axe blade. Even the sharpend; see for yourself.