簌to rustle; falling flower petals; used in 簌簌[su4 su4]Strokes17PinyinsùParts⺮bamboo欶to suck, to drinkWords with 簌簌簌sù sù · susuvery slight sound; rustling (onom.); to stream down (of tears)簌簌发抖sù sù fā dǒu · susufadoushivering; trembling (idiom)Study it in Yanamino