Here are 6 steps to improve Chinese vocabulary and writing.

1. How to Improve Chinese
Vocabulary
Web: http://www.ducrozi.com

2. Step1
The first step to improve Chinese vocabulary is
to know you want to improve simplified
Chinese or traditional Chinese. Every Chinese
learner knows that Chinese includes simplified
Chinese and Traditional Chinese, and Chinese
has 4 tones and mysterious strokes.
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3. Step2
Have a right dictionary to search words, so it's
important to do the first step. There are many
choices for the dictionary, you can buy a
Chinese dictionary, or use online dictionary, or
install a free Chinese learning app with
dictionary function which you can search
words via pinyin, English and Chinese
characters.
Web: http://www.ducrozi.com

4. DucroZi: search words via pinyin, English and Chinese characters.
Web: http://www.ducrozi.com

5. Step3
Have a good habit to read Chinese news,
magazines or books.

6. Step4
Review all the words regularly you have learned (there are
some rules to enhance the memory of words. For me, 127
rule is useful. I will view the words the 2nd day, and review
them again the 7th day. You can try it.)
It's a bit difficult to write down every new word for review,
especially the word has different meanings. Personally, I
use a free Chinese learning app (DucroZi) to create my own
vocabulary list and add new words to my list. Then I can
review all words in my list. The most convenient thing is
that I can add notes to the words. Sometimes I would add a
sentence with the word for better understanding or add
another meaning of word.
Web: http://www.ducrozi.com

8. Step5
Do training with
writing. Writing the
words can improve my
memory for the word,
and fortunately, the
free Chinese learning
app I use also have
training section for me
to practice writing
(draw the strokes).

9. Step6
Speak with Chinese people or Chinese
speakers. The most important step to improve
vocabulary is to use it, because you will
remember it more if you use it often. Never
be shy to speak Chinese and never be afraid to
make mistakes, instead you should seize every
opportunity to practice it.
Web: http://www.ducrozi.com

10. Download DucroZi
In Mandarin, can you explain the use of "一下"?
Web: http://www.ducrozi.com