slack off英 [slæk ɒf]美 [slæk ɔːf]疏忽; 懈怠; 松劲经济柯林斯词典同 slacken offSlack offmeans the same asslacken off.→ see:slack 4英英释义verbbecome less in amount or intensityThe storm abatedThe rain let up after a few hoursSynonym:abatelet upslackdie away双语例句