习惯用语make a killing1.突然赚得一大笔钱mercy killing1.安乐死(为结束患不治之症的人或动物的痛苦所用的致死手段)特殊用法bed killing1.将牛体放倒在有血水槽的槽纹台上宰杀chemical weed killing1.化学除草colour killing1.消色, 彩色抑制spike killing1.道钉毁损killing of colour reproduction1.停止彩色重现killing of fluorescence1.荧光消抑