pit-a-pat (also pitter-patter)

n this sound 劈啪声: the pit-a-pat of the rain on the roof 雨点打在屋顶上的劈啪声.

pirate, piratical, piratically, pirouette, Pisa, piscatorial, Piscean, Pisces, piss, pissed, pistachio, piste, pistil, pistol, piston, piston ring, piston-engined, pit, pit pony, pit-a-pat, pit-head, pit-prop, pitch, pitch-and-toss, pitch-black, pitch-dark, pitch-pine, pitchblende, pitched, pitcher, pitchfork, piteous, piteously, piteousness, pitfall, pith, pith hat (also `pith helmet), pithily, pithiness, pithy,