n.内兄,内弟;大伯,小叔;姐夫,妹夫;连襟;
例句:
His sister and brother-in-law are planning to leave the business next year.
他的姐姐和姐夫明年都不打算干了。
I go to help my brother-in-law to buy a new computer this afternoon.
今天下午,我去帮内弟买了一台新电脑。
A woman and her brother-in-law could never get along.
有个女人和她的小叔一直相处得不好。