幸運こううん だった ので、 成功せいこうしました。kouun datta node, seikoushimashita.Because we were lucky, we succeeded.Breakdown of kouun datta node, seikoushimashita.だdato beのでnodereason particle成功せいこうするseikousuruto succeed幸運こううんkouungood luck; fortuneElon.io is an online learning platformWe have hundreds of Japanese lessons and thousands of exercises.Start learning Japanese now