窒塞 zhìsè to block Origin Definitions Defs Strokes Stroke Words Sentences Sents 窒 zhì verb to obstruct (bound form) stopped or plugged up; to obstruct or block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