信頼する

§ What “信頼する” Means and When to Use It

Let's break down “信頼する” (shinrai suru). This verb is fundamental for expressing trust or confidence in Japanese. It's a B1 level word, which means it's pretty common and you'll definitely hear it often in daily conversations, news, and even business settings.

At its core, 信頼する means to trust, to rely on, or to have confidence in someone or something. It implies a strong belief in the reliability, truth, ability, or integrity of the person or thing in question. Think about who you trust in your life—your family, friends, maybe even a specific brand. That's the feeling 信頼する conveys.

DEFINITION

To trust; to have confidence in someone or something. It expresses a deep belief in reliability, integrity, or capability.

When do people use it? You'll use 信頼する in a variety of situations. Here are some common scenarios:

• Regarding people: This is perhaps the most frequent use. You trust a friend to keep a secret, or you trust a colleague to do their job well.
• Regarding institutions or systems: You might trust a bank with your money, or trust a public transportation system to be punctual.
• Regarding products or services: You could trust a certain brand for its quality, or a service for its efficiency.
• Regarding information: You trust a source for accurate news.

It's important to note that 信頼する implies a degree of respect and reliance. It's not just about believing something is true, but also believing that it will consistently perform as expected or act in good faith. This is why it's a stronger word than simply “信じる” (shinjiru), which generally means “to believe.” While 信じる can also mean “to trust,” 信頼する often carries a nuance of tested or established trust.

Understanding this word is crucial for building meaningful relationships and navigating various situations in Japan. It's about more than just understanding words; it's about understanding cultural nuances around dependability and sincerity. Keep practicing, and you'll find yourself using 信頼する naturally in no time.

§ Understanding 信頼する (shinrai suru)

The Japanese verb 信頼する (しんらいする / shinrai suru) means 'to trust' or 'to have confidence in someone or something.' It's a very useful verb to express reliance and belief. You'll often hear it in daily conversation and see it in written Japanese, especially when talking about relationships, reputation, or credibility.

Japanese Word

信頼する (しんらいする)

CEFR Level

B1

§ Basic Usage

信頼する is a する-verb, which means it can function as a noun (信頼 / shinrai, meaning 'trust') or a verb (信頼する / shinrai suru, meaning 'to trust'). This is common in Japanese. When you use it as a verb, it typically follows the pattern of a direct object followed by を (o) or a person/thing followed by に (ni).

§ Using を (o) with 信頼する

When you trust something, you often use the direct object particle を (o) with 信頼する.

• 彼の判断 (kare no handan): his judgment
• を (o): direct object particle
• 信頼する (shinrai suru): to trust

Translation Hint: I trust his judgment.

• このブランド (kono burando): this brand
• の品質 (no hinshitsu): 's quality
• を (o): direct object particle
• 信頼しています (shinrai shiteimasu): am trusting (polite, continuous form)

Translation Hint: I trust the quality of this brand.

§ Using に (ni) with 信頼する

When you trust someone, it's very common to use the particle に (ni) to indicate the person you are placing your trust in. This particle often indicates the recipient of an action.

• 彼 (kare): he/him
• に (ni): particle indicating the person of trust
• 信頼しています (shinrai shiteimasu): am trusting (polite, continuous form)

Translation Hint: I trust him.

• 彼女 (kanojo): she/her
• は (wa): topic particle
• みんな (minna): everyone
• に (ni): particle indicating the people of trust
• 信頼されています (shinrai sarete imasu): is trusted (passive form)

Translation Hint: She is trusted by everyone.

§ Formal vs. Informal

Like many Japanese verbs, 信頼する can be used in both formal and informal contexts. The conjugation changes based on formality. For instance, 信頼します (shinrai shimasu) is the polite present tense, and 信頼している (shinrai shite iru) is the informal continuous form.

Informal

信頼する (shinrai suru)

Polite

信頼します (shinrai shimasu)

Informal Continuous

信頼している (shinrai shite iru)

Polite Continuous

信頼しています (shinrai shite imasu)

§ Understanding 信頼する in Context

Alright, let's get into where you'll actually hear and use 信頼する (しんらいする) in everyday Japanese. This isn't just a textbook word; it pops up in a lot of practical situations. We're talking work, school, and even the news. Knowing how it's used in these contexts will help you sound much more natural.

§ At Work: Building Professional Trust

In the workplace, 信頼する is crucial. It's about trusting your colleagues, your boss, and your company. Without trust, teamwork falls apart. You'll hear it when people talk about delegating tasks, forming partnerships, or even just relying on someone to do their job properly.

Examples of workplace use:

• When a manager talks about a dependable employee.
• When discussing a reliable business partner.
• When you need to show that you have faith in a team member's ability.

Translation hint: She's a competent worker, so she's a trustworthy colleague.

Translation hint: To make this project a success, it's important to trust each other.

§ At School: Academic and Personal Trust

In academic settings, 信頼する comes up when talking about teachers, fellow students, and even the information you're learning. It's about having faith in the educational process and the people involved.

Situations you'll encounter it:

• When a student talks about a teacher they look up to.
• When students rely on each other for group work.
• When discussing the credibility of a source for research.

Translation hint: I trusted the teacher's guidance and studied hard.

Translation hint: He always helps, so I trust him.

§ In the News: Public Trust and Credibility

In news reports, politics, and public discourse, 信頼する is used to talk about the public's confidence in institutions, leaders, or even information. It's often about whether something is considered credible or worthy of belief.

When you'll see it in the news:

• When discussing public opinion on government or politicians.
• When reporting on the credibility of a source or a statement.
• When a company tries to regain public trust after a scandal.

Translation hint: The public wonders to what extent they can trust the government's announcements.

Translation hint: That company's products are high quality and trusted by consumers.

By paying attention to these contexts, you'll not only understand 信頼する better but also start using it more naturally in your own Japanese conversations. Keep an ear out for it in Japanese dramas, news, and even when you're talking with Japanese friends or colleagues!

§ Don't confuse 信頼する with 信用する (shinyou suru)

Many learners mix up 信頼する and 信用する because both can be translated as 'to trust' in English. However, there's a key difference. 信頼する is about having a deep, personal trust in someone's character, reliability, or ability. It implies a long-term, emotional connection or a strong belief in their integrity. 信用する, on the other hand, is more about trusting someone's words, promises, or financial credibility. It's often more transactional or based on specific information rather than a general sense of character.

§ Using 信頼する for objects or abstract concepts

While you can trust a company or a system with 信頼する, it's generally used when there's an element of human interaction or a sense of belief in its performance or reliability. For inanimate objects or very abstract concepts where there's no personal connection, other verbs might be more natural.

However, if you're talking about the quality or integrity of a company's products, 信頼する can be used.

§ Forgetting the particle を (o) or に (ni)

When using 信頼する, remember that it often takes the direct object particle を (o) when directly trusting someone/something, or the indirect object particle に (ni) when showing reliance or trust in someone/something. While を is common, に can also be used, sometimes emphasizing the direction of trust.

Common Patterns

• (Person/Thing) を 信頼する: To trust (person/thing)
• (Person/Thing) に 信頼する: To place trust in (person/thing) - less common but acceptable

You're learning Japanese, and you want to express "trust." That's where 信頼する (shinrai suru) comes in. It's a key verb for talking about confidence in people or things. Let's break it down.

§ What 信頼する Means

Japanese Word

信頼する (しんらいする)

Meaning

To trust; to have confidence in someone or something.

Part of Speech

Verb (specifically, a する verb)

信頼する is a formal and strong way to say you trust someone or something. It implies a deep sense of reliance and belief in their integrity, ability, or consistency.

§ How to Use 信頼する

Like other する verbs, you can use 信頼する directly with a noun and the particle を (o) to indicate what you trust.

Hint

He trusts his friend.

Hint

I trust the quality of this product.

§ Similar Words and When to Use Them

While 信頼する is a solid choice for "trust," Japanese has other words that convey similar ideas but with slightly different nuances. Understanding these differences will make your Japanese sound more natural.

• 信用する (shinyou suru): This is another common word for "trust" or "credit." It often relates to trustworthiness in terms of honesty, reputation, or financial credit.

  あの店は信用できる。(Ano mise wa shinyou dekiru.)

  Hint

  That shop is trustworthy (has a good reputation).

  When to use: If you're talking about someone's general honesty, reputation, or financial reliability, 信用する is often a better fit than 信頼する. Think of it as believing in someone's word or creditworthiness.

• 信じる (shinjiru): This means "to believe" or "to believe in." It's a more general term and can apply to beliefs in abstract concepts, gods, or even rumors, as well as believing a person.

  私は彼の話を信じます。(Watashi wa kare no hanashi o shinjimasu.)

  Hint

  I believe his story.

  When to use: Use 信じる when the meaning is closer to "to believe (that something is true)" or "to have faith in." It's less about reliance and more about conviction.

• 頼る (tayoru) / 頼りにする (tayori ni suru): These mean "to rely on" or "to depend on." They focus on the act of seeking support or help from someone or something.

  困った時は彼に頼っています。(Komatta toki wa kare ni tayotteimasu.)

  Hint

  When I'm in trouble, I rely on him.

  When to use: Choose 頼る or 頼りにする when you want to express dependence or relying on someone's help or capabilities. It implies trust in their ability to assist.

§ When to Pick 信頼する

Use 信頼する when:

• You want to express a deep, solid trust in someone's character, judgment, or consistent performance. It's about having strong confidence.

• You are talking about a professional relationship or a relationship where reliability and integrity are paramount (e.g., trusting a doctor, a team member, a system).

• You are emphasizing the belief in someone's moral uprightness or technical competence over a longer period.

In summary, 信頼する is a strong verb for expressing profound trust and confidence. While other words like 信用する and 信じる are related, 信頼する often carries a more serious and established nuance of reliability.