[intransitive] to work less hard than you usually do or should do懈怠；偷懒◆I usually work a nine-hour day but I've been slacking this week.我通常每天工作九个小时，但本周我有些懈怠。 ●ˌslack ˈoff (on sth)to do sth more slowly or with less energy than before松懈；放松◆We have been slacking off on our customer service.我们在客户服务方面有所松懈了。