闭塞 bìsè to block up Definitions Defs Origin Strokes Stroke Words Sentences Sents 闭 閉 bì nounadjective to block (bound form) to block, stop up, or obstruct; to prevent flow or passage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