风雨不透 fēngyǔbùtòu impermeable Origin Definitions Defs Strokes Stroke Words Sentences Sents 风雨 風雨 fēngyǔ adjective wind and rain wind and rain; the elements; a storm不 bu particle [potential] Used between a verb and its result to show that the action cannot achieve that result; used as the negative form of the 得 de potential construction透 tòu particleverb to penetrate to pass through or seep into something