1·That was very remiss of you.
你那样做太粗心大意了。
1·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》
2·One planned backend is supposed to be led by me — but I have been remiss in developing initial versions.
一个已经规划好的后端被期望由我来负责—但是在开发最初的版本时,我有点懈怠。