1.
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）。
2.
Thus he discoursed gravely and paternally;
他那样谈着，严肃地，象父兄那样；
3.
He's popular among the elders and brethren.
他受到父老兄弟的欢迎。
4.
whole brothers and sisters.
同父同母的兄弟姐妹。
5.
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。
6.
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。
7.
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。
8.
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)
9.
"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，
10.
Father was unable to reconcile my brothers.
父亲不能使我的两个兄弟和解。
11.
Either my father or brother is coming.
我父亲来，要不然就是我的兄弟来。
12.
My father used to chastise my brothers with whips.
父亲过去常以鞭打惩罚我的兄弟。
13.
my brother still lives with our parents.
我的兄弟依旧和我的父母生活在一起。
14.
Either my father or my brothers are coming.
不是我父亲就是我兄弟要来。
15.
One's immediate family, ie parents, children, brothers and sisters
直系亲属（父母、子女、兄弟、姐妹）
16.
More than 100 thousand mothers and fathers, brothers and sisters,
成千上万的父母、兄弟姐妹、
17.
(of siblings) having the same parents.
（指兄弟姐妹）有共同的父母。
18.
I had no father or mother, brother or sister.
我父母早逝，没有其他兄弟姐妹，