v (1)(用掌)拍击(strike with the open hand or with sth flat)[T+n，I+prep]：She～ped his face/him in (on/across) the face. 她打了他一记耳光。Grandpa～ped his knee and chuckled. 爷爷拍了一下膝盖笑了起来。He～ped me on the back and wished me good luck. 他拍了拍我的后背祝我好运。I～ped him vigorously on the shoulder. 我用力拍了一下他的肩膀。I～ped at the mosquito but missed. 我拍打蚊子，但是没打着。

(2)拍打(knock against sth with a sharp noise)[I+prep]：Waves～ped against the boat. 波浪拍打着小船。Rain was～ping at the window. 雨水拍打着窗户。Heelless slippers were～ping on the stones. 无跟的拖鞋在石头上啪啪作响。

(3)用力放或扔(put or throw carelessly or with force)[T+n +prep，T+n+adv]：He～ped his hat on his head and ran out of the house. 他把帽子啪地往头上一扣就跑了出去。～a book down on the table 啪的一声把书扔在桌子上;Don't～the paint on like that;do it carefully. 别那样胡乱涂抹油漆，认真点儿。

slap sb/sth down (infml)压制，粗暴地阻止：When Bill talked back，the boss～ped him down. 比尔反驳时，老板粗暴地阻止了他。

slap sth on sth 额外增加：～new restrictions on imports 对进口品额外增加新的限制;

slap together (v adv)草率地制作，拼凑 (vt)：They～ped the movie together in a month. 他们一个月就草率地完成了那部电影。

n 拍打(声)((sound of) blow with the open hand or sth flat)[C]：give sb a～in/on the face 打某人耳光;get a violent～on the shoulder 肩上被猛拍一下;listen to the～and plunge of people in the water 听人们的击水声和跳水声;a～on the back 称赞，鼓励;a～on the wrist 温和的责备，轻微的处罚;

a slap in the face 侮辱，断然拒绝：That amounts to a～in the face. 那等于是公然的侮辱。

adv(1)径直地，猛然地(straight;suddenly)(infml)：He ran～into me. 他和我迎面相撞。His bike ran～into the wall. 他的自行车径直地撞在墙上。

(2)正(恰)好(right;exactly)(infml)：The apple from the tree landed～on top of my head. 树上的苹果落下来正好砸在我的头上。

→′slap-dash adj & adv 草率的(地)，粗心大意的(地);͵slap-′happy adj 乐呵呵而无责任心的，马大哈的