A1 Collocation Neutral 5 min read

Keep a diary.

Maintain a journal.

In 15 Seconds

  • Regularly write personal thoughts and feelings.
  • It's a private record of your life.
  • Use for self-reflection and memory.
  • Can be digital or physical.

Meaning

To regularly write down personal thoughts and experiences.

Key Examples

3 of 12
1

Texting a friend

I'm feeling a bit overwhelmed, so I decided to start `keeping a diary` again. Maybe it'll help me sort things out.

I'm feeling a bit overwhelmed, so I decided to start `keeping a diary` again. Maybe it'll help me sort things out.

<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4.318 6.318a4.5 4.5 0 000 6.364L12 20.364l7.682-7.682a4.5 4.5 0 00-6.364-6.364L12 7.636l-1.318-1.318a4.5 4.5 0 00-6.364 0z"/></svg>
2

Instagram caption

Day 5 in Kyoto! 🇯🇵 Soaking it all in. Decided to `keep a diary` of this trip – so many amazing sights and tastes!

Day 5 in Kyoto! 🇯🇵 Soaking it all in. Decided to `keep a diary` of this trip – so many amazing sights and tastes!

<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.828 14.828a4 4 0 01-5.656 0M9 10h.01M15 10h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>
3

Job interview (discussing personal development)

To manage stress and improve self-awareness, I regularly `keep a diary` to reflect on my daily experiences and emotional responses.

To manage stress and improve self-awareness, I regularly `keep a diary` to reflect on my daily experiences and emotional responses.

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🌍

Cultural Background

In the UK, a 'diary' often refers to what Americans call a 'planner' or 'calendar'. If someone says 'Let me check my diary', they are looking at their appointments, not their secrets. In the US, 'journaling' has become a massive wellness trend. While 'diary' can sometimes sound like something for children, 'keeping a journal' is seen as a sophisticated adult habit for mental health. The 'Secret Diary' with a lock and key is a universal symbol of teenage privacy in Western media, often appearing in movies and TV shows. In Japan, keeping a 'Nikki' (diary) is often encouraged in schools to help children practice writing and reflection, similar to many Western schools.

💡

Use 'Keep' for Habits

Whenever you talk about a repeating habit of recording something, 'keep' is your best friend (keep a diary, keep a record, keep a tally).

⚠️

Diary vs. Dairy

Double-check your spelling! A 'dairy' is where milk comes from. You don't want to 'keep a dairy' unless you are a cow farmer!

In 15 Seconds

  • Regularly write personal thoughts and feelings.
  • It's a private record of your life.
  • Use for self-reflection and memory.
  • Can be digital or physical.

What It Means

This phrase is all about creating a personal record. You write down what happens in your life. It includes your thoughts and feelings. It’s like talking to yourself on paper. Or maybe to your future self! It's a way to remember things. It helps you understand yourself better. It's a private space for your ideas. No one else needs to see it. It’s your personal story.

How To Use It

You use keep a diary when you start writing regularly. It’s a habit you build. You might do it every day. Or maybe just once a week. The key is consistency. You write about events. You describe your emotions. You can even draw pictures. It’s super flexible! Think of it like a personal blog. But usually offline and private. You decide what goes in. No pressure to be perfect. Just be you!

Real-Life Examples

Imagine Sarah is traveling. She wants to remember her trip. She buys a nice notebook. "I'm going to keep a diary of my adventures," she tells her friend. Or maybe Mark is feeling stressed. He wants to process his feelings. He starts writing in a notebook each night. He's keeping a diary to help himself cope. Even celebrities do it! Many famous writers and actors have published their diaries. They show us a different side. It’s like peeking behind the curtain. It’s a very human thing to do.

When To Use It

Use keep a diary when you want to track your life. Maybe you're learning a new skill. You want to note your progress. Keep a diary of your practice sessions. Or perhaps you're going through a big change. Like moving to a new city. You want to capture your feelings. Keep a diary to document your journey. It's great for self-reflection. It helps you see patterns. You might notice what makes you happy. Or what causes you stress. It’s a tool for personal growth. It’s also just fun to look back on!

When NOT To Use It

Don't use keep a diary for public posts. Social media isn't a diary. You wouldn't say, "I'm going to keep a diary on Instagram." That sounds weird. A diary is usually private. It's not for likes and comments. Also, don't use it for official records. Like work reports or school assignments. Those have different names. A diary is personal and informal. It’s not a place for formal documents. Think private thoughts, not public announcements. Unless you're planning a memoir, of course!

Common Mistakes

People sometimes mix up diary with other words. Like notebook or journal. While related, diary has a specific feel. It's more about personal feelings. Notebook is very general. You can have a notebook for recipes. Or a notebook for class notes. Journal is closer. It can be more formal. Like a travel journal or business journal. But keep a diary strongly implies personal reflection. It's not just writing things down. It's about your inner world. So, keep a diary is best for personal stuff.

I keep a logbook of my feelings. I keep a diary of my feelings.
I want to make a diary about my vacation. I want to keep a diary about my vacation.

Similar Expressions

There are other ways to record things. Write a journal is very similar. It often implies a slightly more structured or perhaps even public record. Like a travel journal you might share. Keep a log means to record events systematically. Think of a ship's logbook. It's factual, not emotional. Journaling is the act of writing in a journal. It's the verb form. You can journal your thoughts. It’s very close to keeping a diary.

Common Variations

Sometimes people say keep a journal. This is almost identical. The vibe is slightly different. Journal can sound a bit more mature. Or perhaps for a specific purpose. Like a dream journal or gratitude journal. You might also hear write in a diary. This focuses more on the action itself. Less on the ongoing habit. Start a diary is for when you begin. My diary is possessive, of course. Like "My diary is full of secrets!"

Memory Trick

💡

Imagine a DIamond And Really You. A diary is like a precious diamond. It holds your unique sparkle. Your personal thoughts and feelings. So, to keep a diary, you protect that sparkle. You write it down regularly. It's your personal treasure! DIamond And Really You. Got it?

Quick FAQ

Q. Is keeping a diary old-fashioned?

A. Not at all! While physical diaries are classic, many people keep a diary digitally now. Think apps like Day One or even just a private document. It's about the habit, not the medium. It’s a timeless way to connect with yourself.

Q. Can I keep a diary online?

A. You can! But be careful. If you want privacy, use password-protected apps. Or private notes on your phone. Public blogs aren't really diaries. They lack that personal, secret feel. Think of it like this: a diary is your secret hideout.

Usage Notes

The phrase `keep a diary` is generally neutral in formality, making it suitable for most everyday conversations. While it implies privacy, discussing the *habit* of keeping a diary is common. Avoid using it for work-related records; terms like `log` or `notes` are more appropriate there.

💡

Use 'Keep' for Habits

Whenever you talk about a repeating habit of recording something, 'keep' is your best friend (keep a diary, keep a record, keep a tally).

⚠️

Diary vs. Dairy

Double-check your spelling! A 'dairy' is where milk comes from. You don't want to 'keep a dairy' unless you are a cow farmer!

🎯

The 'Dear Diary' Trope

In movies, characters often say 'Dear Diary' out loud to start a narration. It's a classic storytelling device.

Examples

12
#1 Texting a friend
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I'm feeling a bit overwhelmed, so I decided to start `keeping a diary` again. Maybe it'll help me sort things out.

I'm feeling a bit overwhelmed, so I decided to start `keeping a diary` again. Maybe it'll help me sort things out.

Shows personal use for emotional processing.

#2 Instagram caption
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.828 14.828a4 4 0 01-5.656 0M9 10h.01M15 10h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>

Day 5 in Kyoto! 🇯🇵 Soaking it all in. Decided to `keep a diary` of this trip – so many amazing sights and tastes!

Day 5 in Kyoto! 🇯🇵 Soaking it all in. Decided to `keep a diary` of this trip – so many amazing sights and tastes!

Used informally to describe documenting travel experiences.

#3 Job interview (discussing personal development)
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To manage stress and improve self-awareness, I regularly `keep a diary` to reflect on my daily experiences and emotional responses.

To manage stress and improve self-awareness, I regularly `keep a diary` to reflect on my daily experiences and emotional responses.

Shows a professional context for personal growth.

#4 Chatting with a friend about hobbies
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.828 14.828a4 4 0 01-5.656 0M9 10h.01M15 10h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>

My grandma `kept a diary` for 60 years! It's fascinating to read her stories.

My grandma `kept a diary` for 60 years! It's fascinating to read her stories.

Highlights the long-term value of keeping a diary.

#5 Travel vlogger talking to camera
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.828 14.828a4 4 0 01-5.656 0M9 10h.01M15 10h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>

Okay guys, for this adventure, I'm also going to `keep a diary`. I want to capture all the little moments you don't see on camera!

Okay guys, for this adventure, I'm also going to `keep a diary`. I want to capture all the little moments you don't see on camera!

Modern usage, blending personal habit with content creation.

#6 Discussing a personal project
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.828 14.828a4 4 0 01-5.656 0M9 10h.01M15 10h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>

I'm trying to learn guitar, so I `keep a diary` of my practice sessions. It helps me see where I need to improve.

I'm trying to learn guitar, so I `keep a diary` of my practice sessions. It helps me see where I need to improve.

Shows practical application for skill development.

Mistake: Using 'make' Common Mistake
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.828 14.828a4 4 0 01-5.656 0M9 10h.01M15 10h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>

✗ I want to `make a diary` about my feelings. → ✓ I want to `keep a diary` about my feelings.

✗ I want to `make a diary` about my feelings. → ✓ I want to `keep a diary` about my feelings.

`Make a diary` sounds like you're creating the physical object itself, not the habit of writing in it.

Mistake: Using 'journal' incorrectly Common Mistake
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.828 14.828a4 4 0 01-5.656 0M9 10h.01M15 10h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>

✗ I `keep a journal` of my grocery lists. → ✓ I keep a `notebook` for my grocery lists.

✗ I `keep a journal` of my grocery lists. → ✓ I keep a `notebook` for my grocery lists.

`Keep a diary/journal` implies personal thoughts and feelings, not mundane lists.

#9 Humorous anecdote
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.828 14.828a4 4 0 01-5.656 0M9 10h.01M15 10h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>

My teenage self used to `keep a diary` filled with dramatic poetry. Reading it now is... an experience. Mostly embarrassing!

My teenage self used to `keep a diary` filled with dramatic poetry. Reading it now is... an experience. Mostly embarrassing!

Adds humor by recalling past, perhaps cringey, diary entries.

#10 Sharing a personal reflection
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After the breakup, I found solace when I started to `keep a diary`. Writing down my pain helped me heal.

After the breakup, I found solace when I started to `keep a diary`. Writing down my pain helped me heal.

Emphasizes the therapeutic aspect of keeping a diary.

#11 Planning a new habit
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.828 14.828a4 4 0 01-5.656 0M9 10h.01M15 10h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>

I'm going to `keep a diary` starting tomorrow. I want to track my mood and see if I can improve my sleep.

I'm going to `keep a diary` starting tomorrow. I want to track my mood and see if I can improve my sleep.

Shows the intention to start the habit.

#12 Talking about historical figures

Many historical figures `kept diaries` that offer incredible insights into their lives and times.

Many historical figures `kept diaries` that offer incredible insights into their lives and times.

Connects the phrase to historical context and learning.

Test Yourself

Fill in the correct verb to complete the habit.

I want to _____ a diary this year to remember my life.

✓ Correct! ✗ Not quite. Correct answer: keep

We always 'keep' a diary in English.

Which sentence is the most natural?

Choose the best sentence:

✓ Correct! ✗ Not quite. Correct answer: She is keeping a diary of her secrets.

'Keep a diary' is the standard collocation.

Match the type of diary to the situation.

Match: 1. Food Diary, 2. Travel Diary, 3. Secret Diary

✓ Correct! ✗ Not quite. Correct answer: 1-C, 2-A, 3-B

Diaries can be specialized for different purposes.

Complete the dialogue.

A: Why do you have that notebook? B: I ____ a diary.

✓ Correct! ✗ Not quite. Correct answer: keep

Present simple is used for general habits.

🎉 Score: /4

Visual Learning Aids

Types of Diaries

🔒

Personal

  • Secret Diary
  • Dream Diary
  • Gratitude Journal
🍎

Functional

  • Food Diary
  • Exercise Log
  • Sleep Tracker
🌍

Travel

  • Trip Journal
  • Photo Diary
  • Adventure Log

Practice Bank

4 exercises
Fill in the correct verb to complete the habit. Fill Blank A1

I want to _____ a diary this year to remember my life.

✓ Correct! ✗ Not quite. Correct answer: keep

We always 'keep' a diary in English.

Which sentence is the most natural? Choose A1

Choose the best sentence:

✓ Correct! ✗ Not quite. Correct answer: She is keeping a diary of her secrets.

'Keep a diary' is the standard collocation.

Match the type of diary to the situation. situation_matching A2

Match: 1. Food Diary, 2. Travel Diary, 3. Secret Diary

✓ Correct! ✗ Not quite. Correct answer: 1-C, 2-A, 3-B

Diaries can be specialized for different purposes.

Complete the dialogue. dialogue_completion A1

A: Why do you have that notebook? B: I ____ a diary.

✓ Correct! ✗ Not quite. Correct answer: keep

Present simple is used for general habits.

🎉 Score: /4

Frequently Asked Questions

10 questions

'Keep a diary' is the most natural way to describe the habit. 'Write in a diary' is also correct for the specific action of writing.

Yes, 'keep a journal' is very common and sounds slightly more modern or professional.

It is a specific record of everything you eat, usually for health or weight loss reasons.

It is neutral. You can use it with friends or in a doctor's office.

Yes, though men often prefer the term 'journal' or 'log' due to old-fashioned gender stereotypes.

Use 'kept'. For example: 'I kept a diary when I was ten.'

A notebook is just the object. A diary is a notebook used specifically for daily personal records.

A blog is public, while a diary is traditionally private. However, some people call their blogs 'online diaries'.

It implies maintaining a habit over time, like 'keeping a promise'.

Yes! The phrase applies to digital apps just as much as paper books.

Related Phrases

🔗

keep a journal

similar

To regularly write in a journal.

🔗

dear diary

builds on

The traditional opening line for a diary entry.

🔗

keep a log

specialized form

To record technical or factual data.

🔗

write down

similar

To record something on paper.

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