A: I don't know what is going on lately. Jack¹ seems to curse a lot these days.

A: 不知道最近 Jack 怎么搞的。 他经常口出恶言。

B: Well, that's just what you get from hanging out with the wrong crowd.

B: 嗯, 交错了朋友就是这样啊!

"hang out" 是和朋友一起做一些事。看电影、逛街、聊天都算。也不限指异性朋友。