不是亲姐姐的英文

elder sisterin law那个是姻亲用的吧？！岳父（公公） father-in-law岳母（婆婆） mother-in-law

有两个答案：1）elder sister （准确意思，姐姐） 2）sister（泛指，可以使姐姐，也可以是妹妹）

因为我的姐姐不是亲生的because my sister has not her own parents in my family

Dear sister,please get away from my husband,ok?

My dear sister, please don't take my husband away from me.希望回答对你有帮助

天啊 sister