"Smack" can mean "kiss" as in air kisses, as in lip-smacking, but that can lead to "smack" as in "hit" as in domestic abuse, because sexual attraction can seem threatening.
「拍打」可以是亲吻空气 或唇唇欲动的「亲吻」， 也可以是家庭暴力中的 「击打」， 因为性诱惑看起来是极具威胁的。