knuckle sandwich 指关节三明治？？

核心表达：knuckle sandwich 

meaning: if you give someone a knuckle sandwich, you punch them in the face. 如果你给别人一个knuckle sandwich, 你直接一拳呼他脸上。

1) You want a knuckle sandwich？

你想吃一拳了吗？

2) I'm gonna give you a knuckle sandwich. 

我真得呼你一拳。

3) You're gonna get a knuckle sandwich. 

你等着挨呼吧。

视频例句：

1) I'm gonna give you a world-class knuckle sandwich.

2) You want a knuckle sandwich? 

3) You want a knuckle sandwich? 

补充：knuckle  [ˈnʌkl] n. 指关节