He turned and I slapped him right upside the head.

他转过身来，我对着他的头部侧面就是一掌。

youdao

I stepped in front of the kid and slapped him hard across the face.

我走上前去，狠狠扇了胖小子一耳光。

youdao

I stepped in front of the kid and slapped him hard across the face.

我走上前去，狠狠扇了胖小子一耳光。

youdao