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Code & Deliveryphrasal verb · /lʊk θruː/

look through

look through — To review or examine something carefully, often to check for problems or details.

In simple English

To carefully review or examine something, such as code changes, documentation, or error logs, usually to check for issues or gather information.

Someone wants to understand what it means when a colleague says they will "look through" code or documents.

At a glanceCEFR B1–B2
Commonness5/5
Versatility5/5
FormalityCasualFormalNeutral
Spoken ↔ WrittenSpokenWrittenBoth
Directness ↔ DiplomaticDirectDiplomaticNeutral
RegionUS and UK

Say it like this

  • Can you look through this PR when you have a minute?
  • I'll look through the logs and get back to you.
  • Let me look through the requirements before we start.
  • I looked through the error messages but couldn't find anything useful.
  • We should look through the documentation first.

Use it at work

Reviewing

  • Could you look through the doc before the meeting?
  • I'll look through the PR this afternoon.

Searching

  • Let's look through the logs for errors.
  • I looked through the tickets but couldn't find it.

Planning

  • Look through the backlog and pick the top five.
  • Can you look through the contract for risks?

Don't say this

✕I will look through on the code.
✓I will look through the code.

Look through is followed directly by the object, no preposition needed.

Don't mix it up

How look through differs from similar terms
TermWhat it isWho writes or uses itWhen
look throughRead or scan somethingAnyoneDocuments, lists
look intoInvestigate a problemAnyoneProblems, questions

Practice

Try it

4 quick exercises

Asking a teammate to review code

1. How would you ask someone to check your pull request?

Find the error

2. I looked through on the documentation but couldn't find the answer.

Complete the sentence

3. I need to look _____ the error logs before the meeting.

Make it more natural

4. Rewrite: I will review the code carefully to find bugs.

Say it out loud

Phrase 1 of 5

"Can you look through this PR when you have a minute?"

We don't save your recording. The word check uses your browser's speech recognition.

More about look through

Real examples(7)

  • Standup

    "I'm going to look through the new feature requirements this morning."

  • Slack message

    "Hey, can you look through my changes before I merge?"

  • GitHub PR

    "I've looked through the code and left a few comments."

  • Jira ticket

    "Need to look through the error logs to identify the root cause."

  • Retrospective

    "We should look through last sprint's metrics before deciding on changes."

  • Sprint planning

    "Let's look through the backlog and prioritize the urgent items."

  • Pair programming

    "Can you look through this function while I explain the logic?"

More mistakes(2)

  • ✕I looked through it but I don't read it carefully.
    ✓I looked through it but I didn't read it carefully.

    Keep verb tenses consistent. Use past tense for both actions.

  • ✕I will look through.
    ✓I will look through the document.

    Look through needs an object. Say what you will look through.

Other forms(5)

  • look through base form

    "I need to look through the logs."

  • looks through present simple

    "She looks through every PR carefully."

  • looked through past simple

    "I looked through the documentation yesterday."

  • looking through present continuous

    "I'm looking through the error messages now."

  • have/has looked through present perfect

    "I've looked through the code and it looks fine."

Often used with(6)

  • look through the code · Most common in tech—examining source code
  • look through the logs · Checking system or error logs for issues
  • look through the documentation · Reading docs to find information
  • look through the PR · Reviewing a pull request
  • look through the backlog · Examining pending tasks or tickets
  • look through the requirements · Checking project specifications

Similar words(5)

  • review · More formal, often used in official contexts like code review
  • go through · Very similar, slightly more casual
  • check · More casual, implies quick examination
  • examine · More formal, implies careful inspection
  • go over · Similar meaning, common in meetings

Opposites(4)

  • skip
  • ignore
  • overlook
  • skim

Questions(6)

What does 'look through' mean in a code review?
Look through means to examine the code carefully. When a colleague says they will look through your PR, they will read the changes and check for problems.
Is 'look through' formal or casual?
Look through is neutral. You can use it in standups, Slack messages, emails, and meetings. It works in both casual and professional contexts.
What's the difference between 'look through' and 'review'?
They mean the same thing, but 'review' is slightly more formal. 'Look through' is more conversational. Both are correct in tech workplaces.
Can I say 'look through on something'?
No. Do not add 'on' after 'look through.' Say 'look through the code,' not 'look through on the code.'
How do I use 'look through' in a sentence?
Use it with an object: 'I will look through the logs.' 'Can you look through this document?' The object comes directly after 'through.'
Is 'look through' the same as 'skim'?
No. Look through means careful examination. Skim means quick, surface-level reading. If you look through code, you check it thoroughly.
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