How to Make Negative Requests in Japanese with ないでください

Sometimes you need to ask someone not to do something. In Japanese, the most common way to make a polite negative request is with ないでください.

Meaning

ないでください means:

“Please don’t…”

It’s polite and commonly used in everyday conversations, signs, and announcements.

Formation

To make a negative request:

Verb (ない form) + でください

Examples:

  • べないでください → Please don’t eat.
  • はなさないでください → Please don’t talk.
  • はいらないでください → Please don’t enter.
  • 写真しゃしんらないでください → Please don’t take photos.
  • ドアをけないでください → Please don’t open the door.

Common Situations

You might hear or see ないでください in places like:

  • 電車でんしゃ電話でんわをしないでください。
    • Please don’t talk on the phone on the train.
  • ここにくるまめないでください。
    • Please don’t park here.
  • 芝生しばふはいらないでください。
    • Please don’t step on the grass.

ないでください vs な

Another way to tell someone not to do something is .

Compare:

  • はいらないでください。
    • Please don’t enter.
  • はいるな。
    • Don’t enter!
  • はなさないでください。
    • Please don’t talk.
  • はなすな。
    • Don’t talk!

ないでください is polite and suitable for most situations.

is much stronger and sounds like a direct command. You’ll often hear it in movies, anime, sports, or when someone is angry.

For everyday conversations, ないでください is usually the safer choice.

Casual Version

When speaking with friends or family, you can often drop ください.

  • わすれないで。
    • Don’t forget.
  • 心配しんぱいしないで。
    • Don’t worry.
  • さわらないで。
    • Don’t touch it.

This sounds more casual but is still softer than using .

Summary

To politely say “Please don’t…” in Japanese, use:

Verb (ない form) + でください

Examples:

  • まないでください
  • かないでください
  • らないでください
  • はいらないでください

Remember:

  • ないでください = Please don’t…
  • = Don’t… (strong command)

Learning ないでください will help you understand signs, announcements, and everyday Japanese conversations.

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