I carried out my duties conscientiously.

我认真执行了我的各项职责。

《柯林斯英汉双解大词典》

My duties seem to change daily at the whim of the boss.

我的职责似乎随着老板的兴致每天改变。

《牛津词典》

"I am a military man and it is not my nature to abandon my duties," he said gravely.

他以一种严峻的态度表示：“我是一名军人，放弃义务可不是我的本性。”

youdao

"But what will my duties be? Do I have to personally reject these three thousand good-for-nothings you speak of?

VOA: special.2010.04.24

For some reason it's been said that I've been relieved of my duties.

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P. messenger, stationed at Centaur Road School, but my duties were restricted to taking messages from there to the Warden's H.

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One of my duties here at Forbes is to edit and post guest columns to the various tech sections of the Web site.

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