敲警钟 qiāojǐngzhōng to sound a warning Origin Definitions Defs Strokes Stroke Words Sentences Sents 敲 qiāo verb to knock to hit, strike, or tap; to beat a drum; to rap on a door or surface警钟 警鐘 jǐngzhōng alarm bell a bell rung as a signal to warn of danger or emergency, such as fire or theft