基本解释n.重击；拍打v.打；强打同根派生 英汉例句用作名词 (n.)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用作动词 (v.)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。