観察

A phrase used to express that a significant amount of time has passed since an event last occurred or since meeting someone. It is most commonly used as a greeting equivalent to 'Long time no see' in English.

晩期 refers to the final or late stage of a specific period, process, or condition. It is most commonly used in historical, archaeological, or medical contexts to describe the concluding phase of an era or the advanced stage of a disease.

The first stage or beginning period of an event, process, or historical era. It is used to describe the initial phase of something that continues over time.

Refers to a fixed period of time or a regular interval at which something occurs. In daily Japanese life, it very commonly refers to a commuter pass (teikiken) used for trains or buses.

Describes something that does not happen at fixed intervals or according to a set schedule. It is commonly used to indicate that events, publications, or services occur randomly or whenever necessary rather than on a routine basis.

Refers to a number, quantity, or amount of items or abstract concepts. It is used to describe how many of something exist or to discuss the concept of numerical value in general.

Refers to the quantity, amount, or portion of something, particularly physical matter or workload. It is most commonly used in the context of cooking ingredients, medicine dosages, or the volume of documents and tasks.

Refers to the amount, quantity, or volume of a substance or abstract thing. It is used to describe how much of something exists, especially when it is not easily counted as individual units.

The forehead is the part of the face above the eyebrows and below the hairline. It is a common area for checking body temperature and is often mentioned in contexts involving sweat or facial expressions.

The total sum or amount reached by adding several figures or items together. It is commonly used when referring to prices, scores, or the count of objects in a collection.