She was provoked to slap him by his rudeness.

他粗暴无礼，惹得她打了他一记耳光。

youdao

She gave him a slap across the face.

她打了他一个耳光。

《牛津词典》

Portsmouth midfielder Kevin-Prince Boateng claims that Michael Ballack's slap on him was worse than the tackle that injured the Germany captain.

朴茨茅斯中场博阿滕怒了，在他看来，巴拉克对他的掌掴比自己铲德国队长的那一下更严重。

youdao

If David seems less interesting than some other characters Eisenberg has played, maybe it's just that he is so annoying, you want to slap him and send him to bed.

WSJ: Review: Redgrave is raw, moving in Eisenberg play

Russia has delivered him slap after slap over Kosovo.

CENTERFORSECURITYPOLICY: The Real Winner in Kosovo

You might think from the way she takes a step back that she is readying to give him a slap across the face.

NPR: Somalia's Farah: Humanizing a Broken Place