slacken off英 [ˈslækən ɒf]美 [ˈslækən ɔːf]放慢; 减弱; 变缓和柯林斯词典PHRASAL VERB 放慢;减弱;变缓和If somethingslackens off, it becomes slower, less active, or less intense.At about five o'clock, business slackened off.大约 5 点钟的时候,生意闲了下来。英英释义verbbecome less intenseSynonym:ease upease offflag双语例句