HSK words practice
show common words by HSK levels, it has 4 fields :
1. character : show the words it can be one to a few characters, each forms different meanings
2. HSK : the words' corresponding HSK level, these are commonly recommended by most teaching institute.
3. PinYin : the pinyin of those words (WITH SPACES BETWEEN PINYIN)
4. Meaning: meaning of that words
5. CH-HSK ; to get HSK level of each CH