闭门塞窦 bìménsèdòu to mount a strict defense Definitions Defs Origin Strokes Stroke Words Sentences Sents 闭门 閉門 bìmén to close the door To physically shut a door; to close for business塞 sè verb to block (bound form) to block or obstruct; to be hindered; used in formal compounds and idioms like 茅塞顿开 máosèdùnkāi窦 竇 dòu hole (bound form) hole; aperture; opening