兄が急逝したのは２年前、義姉は一人兄の遺した小さな宝飾店を健気に守ってきた。

tbd

My brother died suddenly two years ago. Since then, my sister-in-law has valiantly kept the small jewellery store he left her going.

Since my brother died suddenly two years ago, my sister-in-law has valiantly kept going the small jewellery store he left her.