complete a tour of duty
start a tour of duty
end a tour of duty
length of tour of duty
1. He completed his first tour of duty in Germany.
他完成了他在德国的第一次任期。
2. The soldier prepared for his next tour of duty overseas.
士兵正为下一次海外服役做准备。
3. After a long tour of duty, the diplomat returned home.
经过长时间的外交任期，这位外交官回到了家。
A: Are you ready for your next tour of duty?
A：你准备好开始下一个任期了吗？
B: Yes, I've been training hard for it.
B：是的，我一直在为此努力训练。
1) 军事上的服役期
2) 警察或公务员的任职期
3) 某项任务的执行周期
1. 任期；服役期
e.g.
The soldiers are preparing for their next tour of duty.
士兵们正在为下一次服役做准备。
noun phrase
1. A period of time during which someone is serving in a particular job or in the military, especially in a foreign country.
Synonym: period of service, term of office