A slap in the face 打脸
It was a real slap in the face when she got promoted over me, especially after the amount of work I did on the last project.
Slap n. 掴;掌击
He gave her son a slap for behaving badly.
A slap on the back 表扬；赞许
My boss slapped us all on the back after we completed the project early and under budget.
A slap on the wrist 轻微的警告
I got a slap on the wrist from my boss today for being late this morning.
Slap [uk] 化妆品
She put some slap on after dinner.