remiss
adj. 疏忽的，懈怠的；玩忽职守的，不负责任的；粗心的
例句
She had clearly been remiss in her duty.
她在工作中显然马马虎虎。
《牛津词典》
I would be remiss if I did not do something about it.
如果我对此不做点儿什么，就是懈怠。
《柯林斯英汉双解大词典》
It was remiss of them not to inform us of these changes sooner.
他们粗心大意，没有早一些通知我们这些变化。
