B1 Expression خنثی 2 دقیقه مطالعه

I must be off

Must leave

به‌طور تحت‌اللفظی: I (subject) must (obligation) be (state of existence) off (away/departing)

در ۱۵ ثانیه

  • A polite way to announce you are leaving immediately.
  • Common in British English for social and professional exits.
  • Implies you have other tasks or places to be.

معنی

This is a polite way to say you need to leave right now. It sounds softer than saying 'I am going' because it suggests you have a duty or reason to go.

مثال‌های کلیدی

3 از 6
1

Finishing a coffee with a friend

Look at the time! I must be off or I'll be late for dinner.

I need to leave now.

2

Ending a professional catch-up

It was great catching up, but I must be off to my next meeting.

I have to go now.

3

Texting a group chat while leaving a party

Great party guys, but I must be off! See you all Monday.

I'm leaving the party now.

🌍

زمینه فرهنگی

In the UK, 'I must be off' is often preceded by a 'slap' of the knees while sitting down and the word 'Right...' This is a famous non-verbal cue that the conversation is ending. Americans use this phrase, but 'I'd better get going' or 'I'm gonna head out' are more frequent in the Midwest and West Coast. 'I must be off' can sound slightly formal or 'East Coast' to some. Australians often shorten this to 'I'm off' or 'I'm hitting the road.' Using 'must be off' can sound a bit 'posh' or British depending on the social circle. In international business English, this phrase is highly recommended because it is polite, clear, and avoids the bluntness that can sometimes cause cultural friction.

🎯

The 'Right' Opener

Always start the sentence with 'Right...' or 'Well...' to signal you are about to say the phrase. It makes the exit smoother.

⚠️

Don't forget the 'BE'

Saying 'I must off' is a very common mistake for learners. Always include 'be'.

در ۱۵ ثانیه

  • A polite way to announce you are leaving immediately.
  • Common in British English for social and professional exits.
  • Implies you have other tasks or places to be.

What It Means

I must be off is a classic English way to announce your departure. It means you are leaving immediately. It sounds more natural than I am leaving now. It implies you have somewhere else to be. Use it when you want to sound polite but firm.

How To Use It

You usually say this at the very end of a conversation. It is often preceded by a small word like well or anyway. For example, Well, I must be off! This signals to the other person that the chat is over. You do not need to give a long reason why. The phrase itself suggests you have important things to do. It is a great way to escape a boring conversation gracefully.

When To Use It

Use it when finishing a coffee with a friend. Use it at the end of a work meeting that has finished. It works perfectly when you are at a party and want to go home. It is very common in British English. It feels warm and friendly. It is great for when you are standing up to leave a room.

When NOT To Use It

Do not use it in a very serious emergency. If the building is on fire, just run! Do not use it in a text message to break up with someone. That would be very cold. Avoid it in extremely formal writing like a legal contract. It is a spoken phrase, not a written one. Also, do not say it if you are actually staying for another hour. It means you are leaving now.

Cultural Background

This phrase has a slightly 'old-fashioned' charm. It reminds people of polite society and tea times. It is very common in the UK and Commonwealth countries. It reflects the English desire to be polite while avoiding awkwardness. It is a 'soft' exit strategy. It avoids the bluntness of just saying Goodbye.

Common Variations

You can say I'd best be off to sound even more casual. Some people say I must be hitting the road. In the US, you might hear I've gotta take off. If you are in a hurry, you can say I must dash!. All of these share the same 'leaving' energy. Choose the one that fits your mood.

نکات کاربردی

This phrase is most common in spoken English. It is safe for almost any social situation. It is particularly useful for non-native speakers because it sounds very natural and 'insider.'

🎯

The 'Right' Opener

Always start the sentence with 'Right...' or 'Well...' to signal you are about to say the phrase. It makes the exit smoother.

⚠️

Don't forget the 'BE'

Saying 'I must off' is a very common mistake for learners. Always include 'be'.

💬

The Reason

In English culture, it's polite to give a small reason after saying 'I must be off' (e.g., '...I have to feed the cat').

مثال‌ها

6
#1 Finishing a coffee with a friend

Look at the time! I must be off or I'll be late for dinner.

I need to leave now.

A classic way to transition from a chat to leaving.

#2 Ending a professional catch-up

It was great catching up, but I must be off to my next meeting.

I have to go now.

Professional yet warm.

#3 Texting a group chat while leaving a party

Great party guys, but I must be off! See you all Monday.

I'm leaving the party now.

Works well as a final message before putting the phone away.

#4 Leaving a family gathering

The kids are tired, so I think we must be off.

We need to go home.

You can change 'I' to 'we' for a group.

#5 A humorous exit from a boring talk

Is that the time? I must be off... to do literally anything else!

I'm leaving because I'm bored.

Used with a wink to show you're joking.

#6 Leaving a partner's house late at night

I'd love to stay, but I really must be off if I want to catch the last bus.

I have to leave right now.

Shows a bit of regret about leaving.

خودت رو بسنج

Complete the sentence with the correct three words.

It's getting late, I ______ ______ ______ now.

✓ درسته! ✗ نه دقیقاً. پاسخ صحیح: must be off

The standard phrase is 'must be off.'

Which response is the most polite way to leave a business lunch?

The lunch is over and you have a meeting in 10 minutes.

✓ درسته! ✗ نه دقیقاً. پاسخ صحیح: I must be off; I have a meeting at 2 PM.

This provides a polite reason and uses the correct idiomatic structure.

Fill in the missing line.

A: Would you like another cup of coffee? B: ____________________. I have to pick up my daughter.

✓ درسته! ✗ نه دقیقاً. پاسخ صحیح: I'd love to, but I must be off

'I'd love to, but...' is the perfect polite prefix for this phrase.

🎉 امتیاز: /3

ابزارهای بصری یادگیری

When to use 'I must be off'

🎉

Social

  • Parties
  • Coffee
  • Dinners
🏢

Work

  • Meetings
  • Desk chats
  • Calls

بانک تمرین

3 تمرین‌ها
Complete the sentence with the correct three words. جای خالی B1

It's getting late, I ______ ______ ______ now.

✓ درسته! ✗ نه دقیقاً. پاسخ صحیح: must be off

The standard phrase is 'must be off.'

Which response is the most polite way to leave a business lunch? Choose B1

The lunch is over and you have a meeting in 10 minutes.

✓ درسته! ✗ نه دقیقاً. پاسخ صحیح: I must be off; I have a meeting at 2 PM.

This provides a polite reason and uses the correct idiomatic structure.

Fill in the missing line. dialogue_completion B1

A: Would you like another cup of coffee? B: ____________________. I have to pick up my daughter.

✓ درسته! ✗ نه دقیقاً. پاسخ صحیح: I'd love to, but I must be off

'I'd love to, but...' is the perfect polite prefix for this phrase.

🎉 امتیاز: /3

سوالات متداول

10 سوال

It is neutral to slightly formal. It's perfect for most social and professional situations.

Yes, but 'I must be off' sounds more idiomatic and slightly softer.

In this context, 'off' means 'away' or 'departing.'

Yes, though less frequently than in British English. Americans might prefer 'I'd better get going.'

Yes, at the end of an informal email: 'Anyway, I must be off to a meeting. Talk soon!'

'I'm off' is more casual and direct. 'I must be off' implies you have a duty to leave.

No, 'off' is not a verb here. It is an adverb.

No, it is actually one of the most polite ways to leave.

Yes! This is a very common way to say you are going to sleep.

Not at all. It usually sounds friendly and regretful that you have to leave.

عبارات مرتبط

🔗

I'm off

similar

I am leaving now.

🔄

I'd better get going

synonym

I should leave now.

🔗

I must fly

similar

I need to leave very quickly.

🔗

I'll be on my way

similar

I am starting my journey now.

🔗

I'm heading out

similar

I am leaving the building/place.

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