Search the dictionary A Chinese word or character, or English Draw a character Search 13 entries. kōngdòng 空洞 cavity kǒngdòng 孔洞 small hole in an object fángkōngdòng 防空洞 air raid shelter kōngkōngdòngdòng 空空洞洞 empty kōngdòngwúwù 空洞无物 empty cave, nothing there (idiom) kōngdòngwúwù 空洞無物 empty cave, nothing there (idiom) kōngdòngdòng 空洞洞 empty zuānfángkōngdòng 钻防空洞 to take cover to avoid trouble or criticism zuānfángkōngdòng 鑽防空洞 to take cover to avoid trouble or criticism duōkǒngdòngwù 多孔动物 Porifera (phylum of sponges) duōkǒngdòngwùmén 多孔动物门 phylum Porifera (sponges) duōkǒngdòngwù 多孔動物 Porifera (phylum of sponges) duōkǒngdòngwùmén 多孔動物門 phylum Porifera (sponges)