追究する

Let's get straight to it. You're learning Japanese, and you've come across 追究する (ついきゅうする, tsuikyū suru). This isn't a casual verb. It means to investigate thoroughly, to pursue a study, or to delve deep into a subject. Think of it as a more intense version of simply "looking into" something. When someone uses 追究する, they're talking about a serious, in-depth exploration.

§ What it means and when to use it

The core meaning of 追究する is about deep investigation. It's not just scratching the surface. It implies a persistent, detailed examination of a topic, problem, or idea. You'll often hear it in academic or professional contexts, especially when discussing research, analysis, or the pursuit of truth.

DEFINITION

To investigate thoroughly, to pursue (a study); to delve deep into a subject.

Consider the nuance: while other verbs might mean "to investigate" (e.g., 調査する, chōsa suru, for a general survey), 追究する adds the layer of thoroughness and persistence. It's about getting to the bottom of something, understanding its fundamental aspects, or scrutinizing every detail.

Here are some common situations where 追究する is the right choice:

• Academic Research: When a researcher is deeply exploring a hypothesis or a historical event.
• Problem Solving: When a team is trying to find the root cause of a complex issue.
• Philosophical Inquiry: When someone is pondering the fundamental questions of life or existence.
• Legal Investigations: When lawyers or detectives are meticulously examining evidence to uncover the truth.

It's a verb that carries a sense of seriousness and commitment. You wouldn't use 追究する for everyday curiosity like wondering what's for dinner. It's reserved for more profound inquiries.

In this example, the scholar didn't just casually think about the meaning of life; they dedicated significant effort to understanding it in depth.

Let's look at another scenario. Imagine a company trying to figure out why their product isn't selling well. They wouldn't just do a quick survey. They would 追究する the market trends, customer feedback, and internal processes to find the core problem.

Here, the focus is on uncovering the "truth" (真相, shinsō), which further emphasizes the depth of the investigation. It's not just about gathering facts, but understanding the underlying reality.

When you see or hear 追究する, understand that the speaker or writer is conveying a sense of earnestness and a dedication to finding comprehensive answers. It's a powerful verb that reflects a deep commitment to inquiry.

Remember, this verb is often used formally. While you might use it in a conversation about a serious topic, it's less likely to pop up in casual chats about daily events. Keep that in mind when you're deciding whether to use it yourself.

The act of 追究する involves questioning, analyzing, and synthesizing information until a deep understanding is achieved. It's about pushing the boundaries of knowledge or understanding a problem from every possible angle.

This example clearly shows its use in a context of complex societal issues, where deep thought and examination are required. So, when you're aiming for a comprehensive and profound understanding, 追究する is your go-to verb. Use it wisely, and it will elevate your Japanese expression significantly.

§ Understanding 追究する

The Japanese verb 追究する (ついきゅうする - tsuikyuu suru) means to investigate thoroughly, to pursue (a study), or to delve deep into a subject. It implies a detailed and often persistent inquiry into something. You'll often see it used in academic, journalistic, or legal contexts where a deep investigation is required.

Verb Type

Group 3 verb (irregular verb), often categorized as a する verb. This means it combines a noun (追究) with the verb する (to do).

§ Basic Sentence Structure

When using 追究する, you typically follow a pattern where the object of your investigation is marked by the particle を (o).

• Subject は (wa) Object を (o) 追究する (tsuikyuu suru).

§ Examples in Context

Let's look at some practical examples to see how 追究する is used in real sentences. Pay attention to the particles and the overall nuance.

Hint

He thoroughly investigated the cause of that problem.

Here, 原因 (gen'in - cause) is the object being thoroughly investigated.

Hint

Researchers should pursue the truth.

In this example, 真実 (shinjitsu - truth) is the object of pursuit. The verb form べきだ (beki da) indicates 'should' or 'ought to'.

Hint

She is deeply delving into literary theory.

Here, 文学理論 (bungaku riron - literary theory) is the subject being delved into. 深く (fukaku - deeply) emphasizes the extent of the investigation. The ている (te iru) form indicates an ongoing action.

§ Common Prepositions/Particles

As seen above, the primary particle used with 追究する is を (o) to mark the direct object. Other particles might appear in a sentence but serve different grammatical functions.

• を (o): Marks the direct object of the verb, indicating what is being thoroughly investigated or pursued.

§ Nuances and Usage Tips

While similar to verbs like 調べる (shiraberu - to investigate/look up) or 探る (saguru - to search/explore), 追究する carries a stronger sense of deep, persistent inquiry with the aim of uncovering fundamental truths or causes. It's not just a casual search.

• Use 追究する when the investigation is thorough, deep, and aims for a definitive understanding.
• It implies a serious, often intellectual, pursuit.

Hint

The philosopher continued to pursue the meaning of life.

The verb 続ける (tsuzukeru) meaning 'to continue' is often combined with the て-form of 追究する (追究して) to show continuous, persistent investigation.

§ Common Collocations

You'll often find 追究する paired with nouns related to:

• 原因 (gen'in): cause
• 真実 (shinjitsu): truth
• 本質 (honshitsu): essence
• 謎 (nazo): mystery
• 可能性 (kanousei): possibility (in the sense of thoroughly exploring possibilities)