kāihù xūyào shímíngrènzhèng.

开户 means to open an account.

• 开 = to open
• 户 = account / registered account

In everyday modern Chinese, 开户 is commonly used for opening:

• a bank account
• a trading account
• a mobile/payment account
• other official service accounts

It is a fairly standard, practical term, especially in finance and online services.

Chinese often leaves out the subject when it is obvious from context.

So 开户需要实名认证。 does not explicitly say:

• 你开户需要实名认证
• 用户开户需要实名认证
• 办理开户需要实名认证

But the meaning is still clear: Opening an account requires real-name verification or To open an account, real-name verification is required.

This kind of subject omission is very normal in Chinese, especially in:

• notices
• instructions
• app messages
• rules and requirements

需要 means to need or to require.

In this sentence, the structure is:

开户 + 需要 + 实名认证

So literally:

• opening an account
  • requires
    • real-name verification

This is a very common pattern in Chinese:

• A 需要 B = A needs/requires B

For example:

• 报名需要身份证。 = Registering requires an ID card.
• 签证需要照片。 = A visa application requires photos.

Here, 开户 is the thing being done, and 实名认证 is the required step.

Here, 实名认证 is best understood as a noun phrase meaning real-name verification.

Breakdown:

• 实名 = real name / true identity
• 认证 = verification / authentication

Together, 实名认证 refers to the process of verifying that someone is using their real legal identity.

In real usage, it can behave a bit like both a noun and a verb depending on context:

• as a noun: 需要实名认证 = real-name verification is required
• as a verb-like phrase: 请先实名认证 = please complete real-name verification first

That flexibility is common in Chinese.

Chinese usually puts the action or topic first, then says what is needed or true about it.

So:

• 开户需要实名认证。
• literally: Opening an account requires real-name verification.

This order is natural because the sentence is about 开户 as the situation being discussed.

If you changed the order, the focus would change, and some versions would sound less natural. For example:

• 实名认证是开户需要的。
  This is grammatical, but more awkward and less natural in a simple notice.

• 需要实名认证开户。
  This sounds wrong because it suggests 实名认证 is modifying 开户 in an unnatural way.

So the original sentence is short, clear, and very natural.

Yes, that is a very natural English translation.

Chinese does not always mark grammatical relationships as explicitly as English does, so one sentence may be translated in several good ways:

• Opening an account requires real-name verification.
• To open an account, you need real-name verification.
• You must complete identity verification to open an account.

All of these capture the meaning well.

认证 by itself means verification, authentication, or certification, depending on context.

实名认证 is more specific: it means verification using a person’s real legal identity.

So:

• 认证 = general verification/authentication
• 实名认证 = real-name / identity verification

For example, an app might ask for:

• 邮箱认证 = email verification
• 手机号认证 = phone number verification
• 实名认证 = identity verification using your real name and official ID

Yes. It is short, practical, and somewhat formal or official.

You would commonly see this in:

• banking apps
• payment platforms
• registration pages
• customer service notices
• financial/legal procedures

It sounds like standard written Chinese used in instructions or requirements.

A more conversational version might be longer, such as:

• 开户的话，需要先做实名认证。
• 如果你要开户，需要先实名认证。

But for signs, buttons, or notices, the short version is very typical.

Sometimes yes, but the tone changes.

• 需要 = need / require
  More neutral, formal, and common in written instructions
• 要 = need / want / must
  More conversational and broader in meaning

So:

• 开户需要实名认证。
  sounds standard and official

• 开户要实名认证。
  is also understandable and natural, but slightly more spoken and less formal

In many service or legal contexts, 需要 is the safer and more standard choice.

The pinyin is:

kāihù xūyào shímíngrènzhèng

Tone by tone:

• 开 kāi — first tone
• 户 hù — fourth tone
• 需 xū — first tone
• 要 yào — fourth tone
• 实 shí — second tone
• 名 míng — second tone
• 认 rèn — fourth tone
• 证 zhèng — fourth tone

A natural rhythm is:

kāihù / xūyào / shímíngrènzhèng

Try not to pause between 实名 and 认证, because together they form one set phrase.

In modern Chinese, learners usually treat 实名认证 as a single set phrase, even though it is built from smaller parts.

You can understand it internally as:

• 实名 = real name
• 认证 = verification

But in actual reading, it is best to recognize 实名认证 as one common chunk meaning real-name verification.

This is useful because Chinese often builds vocabulary through compounds like this. If you get used to reading the whole chunk at once, it becomes much easier to understand notices and app instructions quickly.