akaunto ga teisisaremasita.

アカウント means account. It is a loanword from English, so it is written in katakana, which is the script Japanese usually uses for foreign words.

The pronunciation is roughly akaunto.

This is very common in computer, app, and website language:

• アカウント = account
• パスワード = password
• ログイン = login

が marks the grammatical subject of the sentence.

In アカウントが停止されました, the account is the thing being described as having undergone the action of suspension.

A natural literal breakdown is:

• アカウント = account
• が = subject marker
• 停止されました = was suspended / has been suspended

So the sentence is structured like The account was suspended.

In English, learners often expect を, but を would mark the direct object of an active sentence. Here, the sentence is passive, so the affected thing is marked with が.

停止されました is the polite past passive form of 停止する.

Breakdown:

• 停止 = suspension / stopping
• する = to do
  So 停止する = to suspend / to stop / to deactivate

Then:

• される = passive form of する
• されました = polite past passive

So:

• 停止する = to suspend
• 停止される = to be suspended
• 停止されました = was suspended / has been suspended

This is a very common pattern with noun + する verbs.

Because the sentence is focusing on the account and its resulting state, not on who performed the action.

• アカウントが停止されました = The account has been suspended
• アカウントを停止しました = (Someone) suspended the account

The second version is active and would usually be used when the subject is the one doing the action, even if omitted:

• 運営がアカウントを停止しました = The administrators suspended the account

In system messages, warnings, and formal notices, Japanese often prefers the passive when the affected item is the main topic.

It can correspond to either was suspended or has been suspended, depending on context.

Japanese past tense often covers both:

• a completed past action
• a present-result meaning

In a system notice, アカウントが停止されました usually feels very much like:

• Your account has been suspended

because the result is still relevant now.

So although the form is past, the natural English translation is often present perfect.

Yes, the doer is omitted.

Japanese often leaves out information that is obvious, unknown, or unimportant in context. In this kind of message, the important fact is simply that the account is now suspended.

The sentence does not say who did it, but the implied actor could be:

• the system
• the service
• an administrator
• the platform operator

If Japanese wanted to mention the actor, it could say something like:

• 運営によってアカウントが停止されました。
  The account was suspended by the administrators.

But in many real notices, that part is unnecessary.

停止する is very common in formal, technical, and administrative language.

It sounds more official and system-like than 止める.

Compare:

• 止める = to stop
• 停止する = to suspend / halt / deactivate / stop operation

For computers, services, or accounts, 停止する is especially natural:

• サービスを停止する = suspend/halt a service
• 利用を停止する = suspend use
• アカウントを停止する = suspend an account

So this sentence sounds like the kind of wording you would see in an app, website, or official notice.

Yes, it is fairly formal and polite.

Reasons:

• 停止する is a formal, technical verb
• されました uses ます politeness
• the overall phrasing sounds like a system notice or administrative message

A casual spoken version would be much less likely in everyday conversation. This wording fits things like:

• app notifications
• customer support notices
• policy enforcement messages
• admin warnings

No, standard Japanese normally does not use spaces like this.

The usual writing would be:

アカウントが停止されました。

Spaces are sometimes added in teaching materials to make the structure easier for learners to see. They are also occasionally used in special interfaces, but normal Japanese writing does not need them.

So for real-world Japanese, you should expect the version without spaces.

Not necessarily.

停止 usually means the account has been stopped, suspended, or disabled, but it does not by itself mean it was permanently deleted.

Possible nuances depending on context:

• temporary suspension
• restriction of use
• deactivation
• service halt

If it were deleted, Japanese might use a different word, such as:

• 削除 = deletion
• 消去 = erasure

So アカウントが停止されました usually suggests the account still exists, but its use has been blocked or halted.

Yes.

Japanese often omits possessives like my, your, or the when the context makes them obvious.

So in a login screen, email, or warning message, アカウントが停止されました would naturally be understood as:

• Your account has been suspended

even though あなたの is not written.

Japanese relies heavily on context, much more than English does.

The most natural translation in many contexts is:

Your account has been suspended.

Other possible translations:

• The account has been suspended.
• Your account was suspended.
• The account has been deactivated.

The best English choice depends on the situation, but for a website or service message, Your account has been suspended is usually the most natural.