闭门塞窦 Traditional 閉門塞竇 bì mén sè dòu 🔊 to close doors and block openings (idiom) + Keep this word Meanings bì mén sè dòu 閉門塞竇 to close doors and block openings (idiom); mounting a strict defense Its characters 闭bìto closeHSK 6门méngateHSK 2塞sāito plug; to stop up; to stuff inHSK 6窦dòuhole; aperture