n 轻拍(敲)(gentle hit;light blow)[C]：give sb a～on the shoulder 轻轻地拍了一下某人的肩膀;give the lid a few gentle～s to loosen it 轻轻地拍了几下盖子使它松动;hear a～on the window/at the door听到轻轻地敲窗/门的声音;

→′tap-dance n 踢踏舞;′tap-dancer n 跳踢踏舞的人;′tap-dancing n 踢踏舞;

v (1)轻打(击、叩、拍)(hit with repeated，slight blows)[T+n+prep(with)，T+n+prep(against/on)]：The teacher～ped the table with his pencil. 那位老师用铅笔敲着桌子。～a stick against the window 用小棍不断地敲着窗户;～sb on the shoulder 轻拍某人肩膀;～one's fingers on the desk 用手指轻敲着书桌;～the door twice 敲了两次门;

(2)轻叩(敲)(strike lightly but audibly，as to attract attention)[I，I+prep(at/on)]：Stop～ping!别敲了!Who's that～ping at the door/at the window/on the windowpane? 谁在敲门/窗子/窗玻璃?

tap out (v adv)打(敲)(vt)：～out a telegraph message(在电报机上)打出一份电报;Please～your pipe out into the fireplace，not onto the floor. 请把烟斗里的烟灰磕到壁炉里，不要磕在地板上。