Jessica smacked his face, quite hard.

杰西卡掴了他一记耳光，打得挺重。

If some dude smacked me, I'd smack him back.

如果有人打我，我会还击的。

He smacked a fist into the palm of a black-gloved hand.

他一拳猛打进戴了黑手套的手掌。

A snowball hit me full on the nose. / A snowball came hurtling and smacked me right on my nose.

一个雪球劈脸打中了我的鼻子。

When he called her a liar she smacked his face.

他骂她撒谎时，她打了他一个耳光。

Trying to be nice I lightly smacked it off. His reaction was to punch me in the face. Repeatedly.

我好心地轻轻把虫拍掉，于是那家伙在我脸上打了好多拳。

As he reached for one, he got SMACKED across the back of his hand by the wooden spoon his wife was holding.

他拿了一块，这时手背被他老伴用木勺打了一下，

He hauled off and smacked the kid.

他朝后退了退，然后掴了这孩子一下。

The tea smacked strongly of tannin.

这茶有浓烈的丹宁酸味道。

He smacked the book down on the desk and left.

他啪的一声把书摔在桌子上走了。