1 [sing] the sound of many quick light steps or knocks on a surface 急而轻的脚步声或敲击声: the patter of the children's feet on the stairs 孩子们走过楼梯时的啪嗒啪嗒声

2 [U] [sing] fast continuous talk by sb who is trying to sell you sth or entertain you 招揽生意的不停叫喊声: sales patter 推销叫喊声 patter verb [I]