rapping
['ræpɪŋ]
n.
轻击修光（锻造中）;
v.
突然说出( rap的现在分词 );
（公开地）严厉批评;
突然大声说出;
连续敲叩;
例句:
-
Hilton roused him at eight-thirty by rapping on the door.
希尔顿8点半敲门把他叫醒了。
-
She kept rapping out orders: "Up a bit, down a bit, do it like that."
她不断大声地发号施令：“向上点，向下点，就那样做。”
-
All at once there was a brisk rapping at the door.
这时忽听得有人急匆匆的在敲门.
-
Mrs. Hart had opened the door after rapping briefly.
来自NEWYORKER
-
Start a project, start rapping, or start painting.
来自VOA
-
If there's an obvious criticism it's the rapping itself.
来自BBC