汉英词典
Chinese-English Dictionary
MEANING OF 大舅子
大舅子
(coll.) wife's older brother
〈口〉〈名〉妻子的哥哥。
dà/dài jiù zi/zǐ
EXAMPLE SENTENCES

于是隔天杰克就带着大舅子一起去打高尔夫球,大舅子在旁边看着他挥杆,可是球还是不见了。

So, the next day Jack took the brother-in-law with him to play golf. And while the brother looked on, Jack swung. But the ball disappeared somewhere.