1234567891011Keywordto obstructto stopFrequency#3140Strokes11ReadingszhìMnemonic穴 (cave) gives the meaning and 至 the sound.Stroke orderComposed of穴cave至arriveUsed in characters膣vaginaUsed in vocabulary窒息zhìxīto choke; to stifle; to suffocate窒zhìto obstruct; to stop up窒碍zhì'ài(literary) to be obstructed