短语词组短语Gnash Underfoot 践踏者奈许gnash teeth 咬gnash your teeth 气得咬牙切齿Dennis and Gnash 反斗智多星Merchant Gnash Says 店主咬牙切齿说to gnash teeth in hatred 咬牙切齿gnash one 's teeth 上下牙齿紧紧地咬住 返回 gnash