?offduty是一個(gè)由兩個(gè)單詞組成的短語(yǔ)，其中"off"是一個(gè)介詞，意為"從...離開"，"duty"是一個(gè)名詞，意為"責(zé)任、義務(wù)、工作"。因此，offduty的字面意思就是從責(zé)任或工作中離開。

在實(shí)際使用中，offduty通常指的是某人不在工作崗位上或不處于工作狀態(tài)下。這可能是因?yàn)楣ぷ鲿r(shí)間已經(jīng)結(jié)束、休息時(shí)間到了、休假中、或者其他原因?qū)е聲簳r(shí)不需要履行職責(zé)?？傊?，offduty可以理解為不在承擔(dān)職責(zé)的狀態(tài)。

offduty的用法：

1. He is offduty now, so you can't reach him.

（他現(xiàn)在已經(jīng)下班了，所以你不上他。）

2. The security guard was offduty when the theft happened.

（發(fā)生盜竊案時(shí)保安正好不在崗位上。）

3. I'm sorry, but the doctor is offduty at the moment.

（很抱歉，醫(yī)生現(xiàn)在不在工作狀態(tài)。）

4. The captain announced that all passengers should remain in their seats until the flight crew is completely offduty.

（機(jī)長(zhǎng)宣布所有乘客應(yīng)該坐在座位上直到機(jī)組人員全部下班。）

5. The police officer was offduty when he witnessed the accident, but he still took immediate action to help.

（在下班時(shí)目睹了事故，但他仍然立即采取行動(dòng)幫助。）

例句參考：

1. Sheila was offduty for the weekend, so she decided to take a trip to the beach.

（Sheila周末不上班，所以她決定去海灘旅行。）

2. The firefighters were offduty when the call came in, but they still rushed to the scene to help.

（消防員在接到呼叫時(shí)已經(jīng)下班，但他們?nèi)匀粵_到現(xiàn)場(chǎng)幫忙。）

3. The restaurant is closed today because all the staff are offduty for a company outing.

（餐廳今天關(guān)門，因?yàn)樗袉T工都要參加公司的外出活動(dòng)。）

4. After working overtime for several days, I finally have a day offduty tomorrow.

（連續(xù)加班了幾天后，我明天終于有一天休息時(shí)間了。）

5. The teacher reminded the students that they should not disturb her when she is offduty and enjoying her personal time.

（老師提醒學(xué)生，在她休息時(shí)間和享受個(gè)人時(shí)間時(shí)不要打擾她。）

offduty是一個(gè)常用的短語(yǔ)，可以指代各種離開工作狀態(tài)的情況。它可以用于口語(yǔ)和書面語(yǔ)中，并且在不同場(chǎng)合下可以有不同的用法和含義。使用時(shí)要根據(jù)具體情況來(lái)理解和運(yùn)用。