clack /klæk/ verb → claque[intransitiveI]SOUND to make a continuous short hard sound 啪啪作响,发出咔嗒声 the sound of high heels clacking across the courtyard 高跟鞋走过院子的嗒嗒声
—clack noun [singular] the clack of typewriters 打字机的嗒嗒声
clack• The keys clacked as she typed.