どうして 行いった んです か。dousite itta ndesu ka.(Explain to me,) why did you go?Breakdown of dousite itta ndesu ka.かkaquestion particle行いくikuto goんですndesuthe explanation is that...; it is that....どうしてdousitewhy; howElon.io is an online learning platformWe have hundreds of Japanese lessons and thousands of exercises.Start learning Japanese nowNihon-shiki romanizationwatasi ha tyuugoku kara kimasitaHepburn romanizationwatashi wa chuugoku kara kimashita