Only in extreme cases of dereliction of duty .

只有在严重失职的情况下。

This policeman was punished for his dereliction of duty .

这名警察因玩忽职守罪被判了刑。

I don 't think this is a dereliction of duty .

我认为这不是渎职。

All the charitable endeavors in this world only manage to bring poverty into greater relief ; they show it to be more terrible and unintelligible than utter dereliction .

这世上所有的慈善活动目的在于较大的缓解贫困，但是他们所表现出的是比彻底放弃更为可怕与无法理解。

Serious dereliction of duty and serious violation of rules and systems .

严重失职与严重违反规章制度。