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: 前景似po1暗淡,但我们仍满怀希望。
english: The future looks rather gloomy, but we live in hope.
HSK: 6