A2 Expression ニュートラル 2分で読める

I believe in you

Trust expression

15秒でわかる

  • A phrase used to express total confidence in someone.
  • Best used when someone is facing a challenge or feeling nervous.
  • Conveys warmth, support, and emotional encouragement.

意味

This phrase means you have full confidence in someone's abilities or character. It is a warm way to say you are sure they will succeed.

主な例文

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1

A friend is nervous about a first date

Don't worry, you're great and I believe in you!

Don't worry, you're great and I believe in you!

<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.828 14.828a4 4 0 01-5.656 0M9 10h.01M15 10h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>
2

A younger sibling is taking a hard exam

You studied so hard; I believe in you.

You studied so hard; I believe in you.

<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4.318 6.318a4.5 4.5 0 000 6.364L12 20.364l7.682-7.682a4.5 4.5 0 00-6.364-6.364L12 7.636l-1.318-1.318a4.5 4.5 0 00-6.364 0z"/></svg>
3

A colleague is presenting to the CEO

You've got the best data, I believe in you.

You've got the best data, I believe in you.

<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 13.255A23.931 23.931 0 0112 15c-3.183 0-6.22-.62-9-1.745M16 6V4a2 2 0 00-2-2h-4a2 2 0 00-2 2v2m4 6h.01M5 20h14a2 2 0 002-2V8a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z"/></svg>
🌍

文化的背景

In the US, this phrase is a staple of 'positive parenting' and 'motivational culture'. It is used frequently to build self-esteem in children. While common, it can sometimes be met with 'stiff upper lip' modesty. People might respond with a joke to deflect the emotional weight. Directly saying 'I believe in you' can feel very heavy or like a 'burden of expectation'. People often prefer 'Gambare' (Do your best). On platforms like Reddit or Instagram, 'I believe in you' is used by strangers to support each other's goals (weight loss, sobriety, learning).

💡

Add an adverb

To make it stronger, say 'I *really* believe in you' or 'I *truly* believe in you.'

⚠️

Don't forget the 'in'

Without 'in', you are just saying they aren't lying. It's a very different vibe!

15秒でわかる

  • A phrase used to express total confidence in someone.
  • Best used when someone is facing a challenge or feeling nervous.
  • Conveys warmth, support, and emotional encouragement.

What It Means

This phrase is like a warm hug for the soul. When you say I believe in you, you are telling someone they have what it takes. You aren't just saying they are right. You are saying you trust their potential. It is about faith in a person's future actions. It is one of the most supportive things you can say in English.

How To Use It

Use it when someone feels nervous or doubtful. You can say it as a standalone sentence. You can also add to followed by an action. For example: I believe in you to win. It works best when said with a sincere, steady voice. Don't rush it! Let the words sink in. It is a great way to end a conversation before a big event.

When To Use It

Use it before a friend has a job interview. Use it when your partner is starting a difficult new hobby. It is perfect for a child who is scared of a school play. You can even text it to a coworker who is leading a big meeting. It is a powerful tool for building confidence in others. If someone is crying or stressed, this phrase can be a real anchor.

When NOT To Use It

Do not use it for small, easy tasks. Saying it when someone is just buying milk feels sarcastic. Avoid using it if you actually think they will fail. People can usually smell a lie! Also, it is not for facts. You don't believe in the weather; you just observe it. If the situation is very cold or strictly professional, it might feel too emotional.

Cultural Background

In Western cultures, individual potential is highly valued. This phrase reflects that focus on personal achievement. It is a staple of American 'pep talks' and sports movies. It grew popular as people moved toward more emotional, supportive communication styles. It is the ultimate 'cheerleader' phrase in the English language. It suggests that one person's support can change everything.

Common Variations

  • I've got faith in you. (A bit more intense)
  • You've got this! (Very common, high energy)
  • I believe in your ability. (More formal or specific)
  • I'm rooting for you. (Means you are cheering for them)
  • I trust you. (Focuses more on reliability than potential)

使い方のコツ

This phrase is neutral and works in almost any social setting. The key is sincerity; if said sarcastically, it can be quite hurtful.

💡

Add an adverb

To make it stronger, say 'I *really* believe in you' or 'I *truly* believe in you.'

⚠️

Don't forget the 'in'

Without 'in', you are just saying they aren't lying. It's a very different vibe!

🎯

Use it for yourself

Saying 'I believe in myself' is a common way to talk about self-confidence in English.

💬

The 'Believe' Sign

In the TV show Ted Lasso, a simple yellow sign with the word 'BELIEVE' became a global symbol for this phrase.

例文

6
#1 A friend is nervous about a first date
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.828 14.828a4 4 0 01-5.656 0M9 10h.01M15 10h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>

Don't worry, you're great and I believe in you!

Don't worry, you're great and I believe in you!

Used to boost social confidence.

#2 A younger sibling is taking a hard exam
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4.318 6.318a4.5 4.5 0 000 6.364L12 20.364l7.682-7.682a4.5 4.5 0 00-6.364-6.364L12 7.636l-1.318-1.318a4.5 4.5 0 00-6.364 0z"/></svg>

You studied so hard; I believe in you.

You studied so hard; I believe in you.

Focuses on the effort they put in.

#3 A colleague is presenting to the CEO
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 13.255A23.931 23.931 0 0112 15c-3.183 0-6.22-.62-9-1.745M16 6V4a2 2 0 00-2-2h-4a2 2 0 00-2 2v2m4 6h.01M5 20h14a2 2 0 002-2V8a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z"/></svg>

You've got the best data, I believe in you.

You've got the best data, I believe in you.

Professional but very supportive.

#4 Texting a friend who is running a marathon
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.828 14.828a4 4 0 01-5.656 0M9 10h.01M15 10h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>

Good luck today! I believe in you! 🏃‍♂️

Good luck today! I believe in you!

Short and encouraging for a physical challenge.

#5 A joke when a friend tries to eat a giant pizza
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.828 14.828a4 4 0 01-5.656 0M9 10h.01M15 10h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>

It's a lot of cheese, but I believe in you.

It's a lot of cheese, but I believe in you.

Using a serious phrase for a silly situation.

#6 A mentor speaking to a student
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4.318 6.318a4.5 4.5 0 000 6.364L12 20.364l7.682-7.682a4.5 4.5 0 00-6.364-6.364L12 7.636l-1.318-1.318a4.5 4.5 0 00-6.364 0z"/></svg>

I believe in you, even when you don't believe in yourself.

I believe in you, even when you don't believe in yourself.

Very deep and motivational.

自分をテスト

Complete the sentence with the correct preposition.

I know you are nervous about the speech, but I believe ___ you!

✓ 正解! ✗ おしい! 正解: in

The fixed expression is 'believe in' someone.

Which sentence is used to show confidence in someone's ability?

Your friend is about to run a race. What do you say?

✓ 正解! ✗ おしい! 正解: I believe in you.

'I believe in you' is for encouragement; 'I believe you' is for truth.

Fill in the missing line.

A: I'm not sure I can pass this class. B: Don't say that! You've studied so hard. ________.

✓ 正解! ✗ おしい! 正解: I believe in you

The context requires encouragement.

Match the phrase to the situation.

Situation: A child is trying to ride a bike without training wheels for the first time.

✓ 正解! ✗ おしい! 正解: I believe in you.

The child needs confidence in their ability, not a confirmation of truth.

🎉 スコア: /4

ビジュアル学習ツール

Believe vs. Believe In

I believe you
Truth You are not lying.
I believe in you
Ability You can succeed.

When to say it

🏔️

Challenges

  • Exams
  • Marathons
  • Interviews
🔄

Changes

  • New Job
  • Moving
  • Starting Business

練習問題バンク

4 問題
Complete the sentence with the correct preposition. Fill Blank A2

I know you are nervous about the speech, but I believe ___ you!

✓ 正解! ✗ おしい! 正解: in

The fixed expression is 'believe in' someone.

Which sentence is used to show confidence in someone's ability? Choose A2

Your friend is about to run a race. What do you say?

✓ 正解! ✗ おしい! 正解: I believe in you.

'I believe in you' is for encouragement; 'I believe you' is for truth.

Fill in the missing line. dialogue_completion A2

A: I'm not sure I can pass this class. B: Don't say that! You've studied so hard. ________.

✓ 正解! ✗ おしい! 正解: I believe in you

The context requires encouragement.

Match the phrase to the situation. situation_matching A1

Situation: A child is trying to ride a bike without training wheels for the first time.

✓ 正解! ✗ おしい! 正解: I believe in you.

The child needs confidence in their ability, not a confirmation of truth.

🎉 スコア: /4

よくある質問

10 問

Yes, you can believe in a person or a thing (like a dream, a project, or success).

It's a bit risky. It might sound like you are evaluating them. Better to say 'I have full confidence in your leadership.'

The opposite is 'I don't believe in you,' but it is very mean. A softer way to say it is 'I have some doubts.'

It can be, but it's also used for friends, family, and coworkers. It's not exclusively romantic.

No, 'at' is never used with believe in this context.

It's a cultural practice in English-speaking countries to build a child's confidence and 'can-do' attitude.

Yes, it's a slightly more formal or 'stronger' version of the same sentiment.

A simple 'Thank you, that means a lot' or 'I appreciate that' is perfect.

It's better to use 'I have confidence in your ability' in a very formal email.

Not necessarily. It means you believe they have the *ability* to win, even if they don't.

関連フレーズ

🔗

You've got this

similar

You are capable of handling this situation.

🔗

I'm rooting for you

similar

I am cheering for your success.

🔗

I've got your back

builds on

I will support and protect you if things go wrong.

🔗

I believe you

contrast

I think you are telling the truth.

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