n.敲门的声音,砰砰声;梆;咚;
例句:
A couple is in bed sleeping when there's a rat a-tat-tat on the door.
正当一对夫妻在床上睡觉时,门边传来了老鼠声.
And she knocked the door with a rat-a-tat-tat.
她用力敲门:咚咚咚.
Suddenly there came a rat-a-tat on the door.
突然传来了一阵梆梆的敲门声.