他被打了几巴掌，英语怎么说

I was slapped on the face by him.
这个句子用主动语态更好一些：
He slapped me on the face
slap sb. on the face 意为：打某人的耳光

he was slapped for several hands.

He got several slaps in the face.

应该用in

如：
The rude boy got a slap in the face.
那个粗鲁的男孩挨了一个耳光。