It is a natural  response to an intensely disquieting, confusing, and uncertain existence that we are  given an unrequested role in.

这是对我被赋予了请自来的角色的自然反应，处于一种极度令人安、困确定的生存状中。

They represent  humanity's attempt to overcome or deal with the deficiencies and difficulties bestowed into each  pair of unrequested human hands.

代表了人类试图克服或处理每一双请自来的人类手中所赋予的缺陷困难。

She could not, for a moment, believe that chance, unrequested, had brought into her presence the soul of the house she had gone to inspect, the man without whom her inspection would not have been thought of.

一时之间，她根本无法相信世上竟会有这种意想到的巧合，她去看的那所房子的灵魂会出现在她面前，要是这个人，她根本会考虑要去看那房子。