<prompt> Translate the following text to EnglishNa siku mbaya ilikuwa wakati wa kwanza yeye darkened kizingiti. Poirot alisubiri kwa hasira yake kutulia, na kisha, kurudia tone yake ya biashara kama, aliuliza: Sasa, kama kwa ajili ya ugomvi huu?  <response>: And an ill day it was when first he darkened the threshold. Poirot waited for her indignation to subside, and then, resuming his business-like tone, he asked: Now, as to this quarrel? 