slack up在线翻译
(使)减速, (使)松劲
1. 减弱:slack tide 平潮 | slack up 减弱 | slack water 缓慢流动的水
4. slack up在线翻译
verb
1. make less active or fast
e.g. He slackened his pace as he got tiredDon't relax your efforts now
Synonym: slackslackenrelax