钻研

To strengthen and make firm; to consolidate. Often used for knowledge, relationships, or power.

middle school; secondary school

A numerical value representing a student's performance on a test, assignment, or examination.

The action of teaching a person a particular skill or type of behavior, often in a professional context.

to understand, clear

A newspaper or magazine that is published regularly, especially one that deals with a particular subject or profession. In academia, it refers to peer-reviewed publications.

To write characters.

The subjects comprising a course of study in a school or college.

Principal; headmaster.

To judge or determine the value, quality, or importance of something; an assessment.