a half brother; half sister.
同父异母兄弟（或同母异父兄弟）；同父异母姐妹（或同母异父姐妹）。
He's popular among the elders and brethren.
他受到父老兄弟的欢迎。
whole brothers and sisters.
同父同母的兄弟姐妹。
Aunt Caroline's and Uncle Jim's children are half-brothers and half-sisters to the other children.
卡洛林姑姑和吉姆姑父共同的孩子和其他的孩子是同父异母或同母异父的兄弟姐妹。
My half-brother, the Earl of Moray, tried to stop the marriage.
我的同父异母兄弟，马里伯爵，试图想阻止这场婚姻。
I learned that he was less indirect than his half brother the King.
我知道，这位国王的同父异母的兄弟说话办事不那么拐弯抹角。
A cousin on my father's side, is a child of my father's brother or sister.
堂兄弟姐妹之一或父系的表兄弟姐妹之一。
He must be your first cousin, if your fathers were brothers.
如果你们的父亲是弟兄，你们应是嫡堂兄弟了。
The two brothers are as like as two peas.
两兄弟长得异常相似。
I've never understood that. I thought they were half-brothers and half-sisters.
我还是一点都不明白。我以为他们是同父异母或同母异父的兄弟姐妹。
"Brothers and sisters,Including all half, step or adoptive relationships - and yourself. Give mother's maiden name. If deceased, give date of death."
(同父异母异或父、继、养)兄弟姐妹;请填写母亲婚前姓名;如已死亡的,请注明其死亡日期。
Second in order: brothers and sisters, paternal grandparents, maternal grandparents.
第二顺序：兄弟姐妹、祖父母、外祖父母。
Ms Rose complains that she and her half-sibling Adam have suffered an identity crisis from knowing nothing about their biological father.
罗斯说，她和她同母异父的兄弟亚当因为对生身父亲一无所知而陷入身份危机。
"These are very serious charges, Brother," two brothers said in unison.
“这些指控很严重啊，兄弟，”两个兄弟异口同声地说。
A cousin-german is a first cousin
同祖父母(或外祖父母)的兄弟(或姐妹)，是堂(或表)兄弟(或姐妹)
"But only for his near relations, for his mother or his father, his son or his daughter, and his brother;"
除非为他骨肉之亲的父母，儿女，弟兄，
Father was unable to reconcile my brothers.
父亲不能使我的两个兄弟和解。
Either my father or brother is coming.
我父亲来，要不然就是我的兄弟来。