put the skids under (或 on) 〈口〉 1. 催促，使赶紧 We had better put the skids under the driver or we'll be late. 我们最好催促司机快开，不然要迟到了。 2. 使走向失败(或灾难)，使毁灭，使垮台；加速…的垮台 He was doing fine until he met this girl. She really put the skids under him. 他跟这姑娘相识以前一直干得很不错，是她使他开始堕落。