broth.er-in-lawn.(名词)【复数】 broth.ers-in-law[brôY.…rz-] The brother of one`s husband or wife.内兄,内弟,大伯子,小叔子:一个人丈夫或妻子的兄弟The husband of one`s sister.姐(妹)夫:一个人的姐(妹)的丈夫The husband of the sister of one`s husband or wife.丈夫(或妻子)的姐(妹)夫