If you concentrate all your energies on the study of English, you will master the language.
你若全力以赴地学习英语,你会掌握这门语言的。
Undivided attention is another sign of respect. You may have noticed that very few people listen with complete attention. Most people half-listen, and if you ask them to repeat what you have just said, they cannot. They may appear to be listening, but i