thwack /θwæk/ vt. | n. | int.I vt. (用棍棒或扁平物)拍打；重击，使劲打 Take all my cushions down and thwack them soundly. 将我所有的座垫拿下来，好好拍打一下。 II n. (用棍棒或扁平物的)拍打；重击；拍打声，重击声 He raised his walking stick and with a tremendous thwack broke the man's nose. 他举起手杖，猛力一击，打破了那男子的鼻子。 He struck the water with a thwack. 他啪的一声击水。 III int. 啪! [?拟声]