1.  We will know how to get along with people who we are not familiar with.

2.  You won't know how you are great only when you push yourself harder and harder.

3.  If you just read the 'red book', you won't know how to use the word which has been remembered.

4.  I think this is certainly not a good choice, you'll never know how boring it is until you try it yourself, you don't even know the exact meaning of the word and how to use it before you memorize it.

5.  Secondly if we rely on translating and memorizing long lists of test words , we will never know how to use a word in a right situation or the frequency of a word in different situations though we can recognize large quantities of words.

6.  If it is too easy, the vocabulary in it will be already known.

7.  We will know how to use the word and how to distinguish one word from the others.

8.  Firstly, if we only memorize a long list of words, the usage of new words will not be known.

9.  Through reading a wide variety of books, especially masterpieces, we will know the difference between two civilizations.

10.  As for learning new vocabulary, it is the same thing, \