slack up英语标准发音：slack up英式发音：美式发音：翻译中文松懈slack up – 基本释义[词典1]减退减弱减速松劲放慢slack up – 英英词典VERB[动词]make less active or fast使不活跃或不快He slackened his pace as he got tired他累了，放慢了脚步Don’t relax your efforts now现在不要放松你的努力slackslackenrelaxslack up – WEB词典slack up松懈slack k up减速slack up a hawser放松大索 参考资料： 1.百度翻译：slack up 2.有道词典：slack up 3.爱词霸：slack up
