slap in the face

an unexpected rejection or affront

（意外的）拒绝；侮辱

slap on the back

congratulations or commendations

恭贺；赞扬

they deserve a hearty slap on the back for their efforts.

他们的努力值得衷心赞扬。

slap someone on the back

congratulate someone

恭喜某人

slap down

To restrain or correct by means of a sharp blow or emphatic censure

平息，压制：用有力的一击或断然的指责来限制或纠正

“thought&I{[he]} was getting a little uppity and needed to be slapped down” (&b{New York Times})

“觉得&I{[他]} 正变得骄傲自大需要加以纠正” (&b{纽约时报})

To put a sudden end to; suppress

压制：突然地结束；压制

slap down divisive criticism.

压制造成分裂的评论

slap on the wrist

A nominal or token punishment.

名义上或象征性的惩罚