叩擊(聲);敲擊(聲);拍擊(聲)[(+on/at)]I was about to go to bed when I heard a rap at the door. 我正要上床睡覺時聽到了敲門聲。
vt.
叩擊;敲擊;拍擊She rapped him over the knuckles with her fan. 她用扇子打他的手指關節。
vi.
敲擊;拍擊[(+on/at)]He would rap at the desk when he had difficulty working out a math problem. 他做數學題遇到困難時往往要敲書桌。The chairman rapped on the table for order. 主席拍拍桌子讓大家安靜。