Phrase
tour of duty
noun
值勤期
a period of time spent on duty
- 1.
A period of time spent on a specific assignment, especially on an overseas mission.
在特定任务上度过的一段时间,尤其是海外任务
在特定任务上度过的一段时间,尤其是海外任务；值班；出差
In use
After a six-month tour of duty, the peacekeepers returned home.
She completed her two-year tour of duty at the embassy in Paris.
The hospital asks every doctor to do a one-year tour of duty in the rural branch.
a tour of duty
常用不定冠词a，也可用his等限定词。
He completed a tour of duty in Afghanistan.
他在阿富汗完成了一次执勤期。
on a tour of duty
介词on表示处于执勤状态。
The soldiers are on a tour of duty overseas.
士兵们正在海外执行任务。
during a/the tour of duty
During his tour of duty, he learned many skills.
在他的值勤期间，他学到了很多技能。
Common mistakes
He went on tour of duty in Afghanistan.He went on a tour of duty in Afghanistan.
中文学习者常遗漏冠词'a'，因为中文没有冠词概念。在英语中，可数名词短语'tour of duty'前需要不定冠词'a'表示泛指一次值勤。
He is in his tour of duty now.He is on his tour of duty now.
介词'in'误用。表示'在执行任务期间'应使用介词'on'，固定搭配'on a tour of duty'，而不是'in'。
Connections
Confusing words
Word family
- tours of duty
- plural
Learner notes
Grammar Note
常用单数形式，如 a tour of duty
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.