Noun:

1. becoming proficient in the use of something; having mastery of;

   "his mastering the art of cooking took a long time"
   

2. the act of making a master recording from which copies can be made;

   "he received a bill for mastering the concert and making 100 copies"
   

Mastero马斯泰罗mastern.主人；硕士；专家vt.控制；精通adj.主要的；主人的；精通的master unit主部件,挚件master level主水准器master-net主干网master alloy中间合金,母合金master fiche缩微胶片复制用母片master slice母片,主控薄片master fence老练销赃master check校正,校对masterswitchn.总开关; 总闸master piece杰作,样件[品]

1. As parents, mastering our own emotions and responses to unwanted behavior can also show your child good stress management techniques.
   作为家长，控制我们自己对不必要行为的情绪和反应也可以向你的孩子示范良好的压力管理技巧。
2. Mastering a second language requires a lot of work.
   熟练掌握第二门语言需要大量学习。
3. I will enjoy every minute of mastering English.
   我会享受掌握英语的每一分钟。