glance.sh               glance the words in next progess
dictate_words.sh        dictation in file words to fetch unfamiliar words
dictate_unfamiliar.sh   dictation in file unfamiliar to familiar strange words according to the english
dictate_reverse_unfamiliar.sh   dictation in file unfamiliar to familiar strange words accordint to the translation

== unfamiliar level ==
0    familiar
1    not very familiar
2    unfamiliar
> 2  very unfamiliar