half-sister

noun

1. 同母异父（或同父异母）的姐妹
   a person's half-sister is a girl or woman who has either the same mother or the same father as them

1. 同母异父（或同父异母）姐妹
   Someone's half-sister is a girl or woman who has either the same mother or the same father as they have.

1. Kate Moss'13-year-old half-sister Charlotte ( who goes by Lottie) gained attention back in July when she popped up in the background of Kate's wedding photos.
   13岁的夏洛特（昵称洛蒂）是名模凯特·莫斯的异母妹妹，初次引人注目的亮相是在七月份姐姐的婚礼照片中。
2. A powerful sorceress in Arthurian legend, Morgan le Fay is King Arthur's half-sister.
   摩根是传说中的一位力量强大的女巫，她是亚瑟王同父异母的姐姐。
3. When her Catholic half-sister, Mary, came to the throne, Elizabeth found herself in even deeper trouble.
   当她同父异母的姐姐天主教徒玛丽登基时，伊丽莎白陷入了更深的危机之中。
4. I have deserted also his little half-sister.
   我遗弃了他的同父异母的小妹妹。
5. Byron's father, by his first marriage, had a daughter, Augusta, Byron's half-sister.
   拜伦的父亲第一次结婚以后生了一个女儿，名叫奥古斯塔，即拜伦的同父异母姐姐。
6. Manchester United defender Wes Brown will fly home after the death of his pregnant half-sister at the weekend.
   曼联球员维斯布朗将会在周末飞回家中，他的姐姐在怀孕中去世。
7. Besides, his sisters were only his half-sister, being that his father had married Mrs.
   再者，她们并非亲妹妹，只不过是他母亲过世后，他父亲再娶而生的骨肉罢了。
8. She was his half-sister, I think.
   我想她是他的异父姐妹。

noun

1. a sister who has only one parent in common with you

   Synonym:    half sisterstepsister