n.重击;拍打
v.打;强打
David raised his walking stick and with a tremendous thwack broke the man's nose. 戴维扬起手杖啪地狠狠一击
The cop carried a stick, ready to thwack anybody who offended his ear or eye. 警察提了根棍子,遇到他不顺耳、不顺眼的就棍棒相加。