length : the number of character for the word
word : the text
sentence : that sentence that word can be used, the word is changed to pinyin to show the word's location
english ; the meaning of that sentence
HSK ; the level that the word belong to

length: 1
sentence: 他在很亮的阳光下mi1起了眼睛。
english: He squinted in the bright sunlight.
HSK: 6