内弟的英文：
wife's younger brother

Father finally got in touch with his brother in law in mainland China.
父亲终于与大陆上的内弟联络上了。

So the real victory was still with his smooth, smug brother-in-law.
所以，真正取得胜利的还是他那八面玲珑自命不凡的内弟。

Ann was cast as the wife.
安妮被选派扮演妻子的角色。

My wife was there among others.
我妻子和其他一些人在那儿。

The wife is the key of the house
妻子是家庭的关键

The girl in red is his younger sister.
那个穿红衣服的女孩是他妹妹。

Anne's not getting any younger.
安妮一点没有变年轻。

The younger mechanic readily fixed the car.
年轻的机修工很快地把车修好了。

He has scrap with his brother.
他与他的哥哥打架。

My brother is a football maniac.
我哥哥是个足球迷。

My brother and she are engaged.
我兄弟和她订婚了。