秘密

A student attending a university or college for higher education. In Japan, it specifically refers to undergraduate students in a four-year university or a two-year junior college.

The act of keeping something in its current state, condition, or level over a period of time. It is commonly used to describe the maintenance of health, systems, relationships, or the status quo.

The act of reducing the size, scale, or scope of something. It is commonly used when talking about downsizing operations, shrinking digital images, or narrowing the range of a project.

A legally binding agreement between two or more parties that specifies terms and conditions. It is commonly used for mobile phones, apartment rentals, and employment agreements.

A noun or verb that describes a reduction in rank, status, or position within an organization or sports league. It is most commonly used when a worker is moved to a lower job title or when a sports team is moved to a lower division due to poor performance.

A business trip or a trip taken for work purposes. It refers to traveling to a different location, such as another city or country, to perform professional duties on behalf of one's employer.

The act of making something known to the public or an audience, often through an announcement, presentation, or publication. It is commonly used for school reports, business presentations, or official government reveals.

A formal or official notice or announcement provided to an individual or group. It is commonly used for digital alerts, academic grades, or administrative information to convey specific facts.

A formal or polite request for someone to perform a task, provide a service, or grant a favor. It is commonly used when commissioning work or asking for professional assistance.

The act of forbidding or prohibiting an action by rule or law. It is commonly used in public spaces to indicate that certain behaviors are not allowed.