He's on duty twenty-four seven.

他不分昼夜地天天上班。

《牛津词典》

Instead of 27 hours on tower guard duty, he's reading Arthur's Back to School Day.

他终于可以不用在瞭望哨里面值勤27小时了，而是手捧阿瑟的《回归学校的日子》，美美地阅读起来。

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Sims carries a scar on his right arm from Sicily's Mount Etna, where his shirt melted into his skin. He's even-tempered and analytical and seemingly never off duty.

西姆斯的右臂上还留有一道伤疤，那是西西里的埃特纳火山(Mount Etna)给他留下的纪念，当时他的衬衫被融化并黏在皮肤上。

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It's always Milton's duty - this is the reason that he was put on this earth: to liberate a people from any such constraining customs.

弥尔顿的使命是,-他是为此才诞于世上：,将英格兰民族从所有抑制人的传统中解放出来。

耶鲁公开课 - 弥尔顿课程节选

He's still on active duty, working in the local armory while he waits for the Army to decide what to do with him.

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And to make those and other cop duties that much more real for the series' stars, he's arranged a series of ride-alongs with officers on duty.

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"The lesson I've learned is to keep my phone off when the 1950's gym teacher is on duty, " he wrote.

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