daiyokuzyou no araiba de hasira naide hosii.

It is read:

だいよくじょう の あらいば で はしらないで ほしい。

Breakdown:

• 大浴場 = だいよくじょう
• の
• 洗い場 = あらいば
• で
• 走らないで = はしらないで
• ほしい

大浴場 means a large public bath area or big communal bath.

You often see this word in places like:

• hotels
• hot spring inns
• bathhouses
• spas

So this sentence is talking about behavior in that bath facility.

洗い場 means the washing area—the place where people sit or stand to wash themselves before entering the bath.

In a Japanese bathhouse, this is usually the area with:

• stools
• showers
• faucets
• soap and shampoo

So 大浴場の洗い場 means the washing area of the large bath.

The particle の links nouns together.

Here, it shows a relationship like:

• the washing area of the large bath
• or more naturally in English, the washing area in the large bath

So:

• 大浴場 = large bath
• 洗い場 = washing area
• 大浴場の洗い場 = the large bath’s washing area / the washing area in the large bath

This is a very common use of の in Japanese.

で marks the place where an action happens.

Since 走る means to run, the sentence uses で to mark the location where the running would happen:

• 洗い場で走る = run in the washing area

Compare:

• 公園で遊ぶ = play in the park
• 部屋で食べる = eat in the room

So で is the natural particle because this is the location of the action.

Because 走る is a godan verb.

To make the negative form of a godan verb, you change the final -u sound to the -a sound and add ない:

• 走る → 走らない

Then to make the -ないで form:

• 走らない → 走らないで

So:

• dictionary form: 走る
• negative: 走らない
• don’t run / without running form: 走らないで

This is why you see 走ら-, not 走り-.

V-ないでほしい means:

I want you not to do V
or more naturally,
Please don’t do V

So:

• 走らないでほしい = I want you not to run

This pattern is built like this:

• verb negative ない
• で
• ほしい

Examples:

• 遅れないでほしい = I want you not to be late
• 触らないでほしい = I want you not to touch it
• 騒がないでほしい = I want you not to make noise

It expresses the speaker’s desire about someone else’s behavior.

It is related, but here it works as part of a request-like expression with ほしい.

By itself, ないで can mean without doing:

• 朝ご飯を食べないで出かけた = I went out without eating breakfast

But in 走らないでほしい, the whole phrase means:

• I want you not to run

So in this sentence, you should understand ないでほしい as one pattern, not just as without running, I want...

Because ないでほしい and ないでください have different nuances.

• 走らないでください = Please don’t run
• 走らないでほしい = I want you not to run

In practice, both can function as requests, but the tone is different:

• ないでください is a direct polite request
• ないでほしい expresses the speaker’s wish or desire

On signs or notices, ないでほしい can sound a little softer, more like:

• We would like you not to run
• Please refrain from running

So it is less like a direct command and more like expressing a desired behavior.

Grammatically, ほしい expresses the desire of the speaker.

So literally, it is something like:

• (We/I) want you not to run

In a sign or notice, the speaker is usually not one specific person. It is the voice of:

• the facility
• the staff
• the management

So the sentence really means something like:

• The bathhouse asks that you not run in the washing area

Japanese often leaves the subject unstated when it is obvious from context.

Because Japanese often omits subjects and objects when they are understood from context.

In English, a sign might say:

• Please do not run in the washing area

The you is understood, even though English usually does not say it directly either.

Japanese does this even more often. Here, the person being addressed is simply:

• the customer
• the guest
• anyone using the bath

So there is no need to say あなたは or あなたに.

In fact, explicitly using あなた in a sign would usually sound unnatural.

It is not in full formal-polite です／ます style, but it is still normal for a notice or sign.

• 走らないでほしいです would sound more conversational or more explicitly polite
• 走らないでほしい is shorter and common in written notices

Japanese signs often use concise plain forms:

• 入らないでください
• 触らないこと
• 禁煙
• 静かにしてほしい

So this sentence is not rude; it is just a typical written notice style.

It could be, yes. Both are possible.

Differences:

• 走らないでください = straightforward and polite
• 走らないでほしい = slightly softer, expressing a preference or request from the facility

Depending on the tone the writer wants, a sign might say:

• 洗い場で走らないでください。
• 洗い場では走らないでほしい。
• 洗い場での駆け足はご遠慮ください。

All of these are natural in the right context.

It could, but it does not have to.

Current sentence:

• 洗い場で走らないでほしい
• Please don’t run in the washing area

With は:

• 洗い場では走らないでほしい
• At least in the washing area, please don’t run / As for the washing area, don’t run there

Adding は gives more contrast or emphasis to the location.

So:

• で = neutral location of action
• では = location + contrast/emphasis

A sign might use either one.

Not naturally in this pattern.

You normally say:

• 走らないでほしい

Not:

• 走らなくてほしい

That sounds unnatural.

This is because the pattern is specifically:

• V-ないでほしい

not

• V-なくてほしい

So this is something you should learn as a fixed grammar pattern.

Yes, it is the same basic word ほしい.

For example:

• 新しい本がほしい = I want a new book

But when it follows a verb in -て / -ないで form, it expresses wanting someone to do or not do something:

• 来てほしい = I want you to come
• 行かないでほしい = I want you not to go
• 走らないでほしい = I want you not to run

So the core idea is still want, but the grammar changes what is being wanted.

Because the 洗い場 is usually wet and slippery.

So running there is dangerous. A sign like this is really about safety:

• someone could slip
• someone could fall
• someone could hit another person

That is why a sentence like this is very natural in this context.