"improve the mastery" is a correct and usable phrase in written English.
It means to enhance or increase one's proficiency or expertise in a certain skill or subject. Example: In order to succeed as a musician, it is important to continuously practice and strive to improve the mastery of your instrument.
Efforts to improve the country's mastery of maths and English are stalling because schools have struggled with the "functional skills" course of the government's new diploma.
Nursing intervention to improve the mothers' sense of mastery and to assist families in establishing functional patterns of parent-child interaction is discussed.
One alternative is to improve the methods of training, ideally increasing the speed at which mastery can be attained through more efficient training methods.
As a player's mastery improves, the games get tougher, much like a standard video game.
Self-mastery improves the quality of your life and creates balanced, meaningful purpose.
In general, students felt they were given a greater number of opportunities to be actively engaged in their own learning and progressively improve their mastery over the course content.
The intension was to create a host of new innovative features and functions that allow the user to improve their mastery of cooking.
The government has shown a commitment to further improve their mastery in other areas, including diagnostics and treatment of common illnesses through improved training and supervision.
As we mature, and gain more experience with the negative results and side effects of the anger habit, we shift our priorities, and we resolve to improve our mastery of our emotional reactions.
Improve your mastery of these techniques via short in-class writing exercises and identify when to apply these techniques.
