恣意的

To have extensive, deep, and detailed knowledge about a particular subject or field. It implies being an expert or very well-versed.

A figure of speech or metaphor used to describe something by comparing it to something else. It is used to make complex ideas easier to understand.

The act of repeating an action or process multiple times. It is often used in the context of learning, training, or recurring patterns in nature.

Expressing or involving an analysis of the merits and faults of a work or idea. In academics, it means objective evaluation.

An amount of money given by a school, university, or organization to pay for the studies of a person.

Devoting oneself entirely to one particular task, study, or activity, while ignoring other distractions.

Training provided to individuals to help them acquire the skills and knowledge needed for a specific job or trade.

The act of refining oneself and improving one's skills or knowledge through one's own efforts and study.

A credit earned by a student upon successfully completing a course of study at a university.

The cancellation of a lecture or class.