- n. 劈啪声(雨声）
a series of rapid tapping sounds;
"she missed the pitter-patter of little feet around the house"
as of footsteps;
"he came running pit-a-pat down the hall"
describing a rhythmic beating;
"his heart went pit-a-pat"
"It has only sprinkled, but the roads are slick"
make light, rapid and repeated sounds;
"gently pattering rain"