英语翻译I feel there is no need for you to worry about it.Becaus

英语翻译
I feel there is no need for you to worry about it.Because this is hard for every sister when they encount with such thing.If I were you,I would have a talk with my sister,after all,we have lived together for a long time.And I believe that if I tell what I think about her,she will be easy to accept my advice.Surely,they both should say sorry to each other,for they have exprienced a lot to set a new family,by all means ,they should cherish it.