在线词典狗窦大开窦:洞。狗洞大开。用以嘲笑人缺少牙齿。拼音gǒu dòu dà kāi解释窦:洞。狗洞大开。用以嘲笑人缺少牙齿。英文释义dog hole wide open (idiom); fig. gap caused by missing teeth (used mockingly)