n.异父兄弟
I've suddenly acquired a stepbrother. 我突然有了一个继兄弟。
Your new stepbrother told me about your problem at school. 你的新继兄告诉了我你在学校的问题。
Gretchen and her stepbrother, Clark, hate staying at their grandparents' house. 格雷琴和她的异父兄弟，克拉克，憎恨待在他们祖父或祖母的房子。
