Sister-in-law
01
義理の姉妹, 配偶者の姉妹
the person who is the sister of one's spouse
例
She has a close relationship with her sister-in-law, often confiding in her like a sister.
彼女は義理の姉妹と親密な関係を持っており、よく姉のように彼女に打ち明けます。
1.1
義理の姉妹
the person who is the wife of one's sibling
1.2
義理の姉妹, 配偶者の兄弟の妻
the person who is the wife of one's spouse's sibling
