The challenge is meant to improve all areas of learning a language, like grammar, reading, writing, and listening. Some ideas I've been using myself and others I found from other people.
学习一门语言，最具挑战的一点事如何从多方面(听、说、读、写)来同步学习，以下的观点，部分给基于自己的学习经验，还有一些是从他人身上学习到的。
Now to start the challenge.
让我们开始接受挑战吧!
Focusing on setting goals:
专注制定学习目标：
Vocabulary:
词汇：
Create a limit of how many words you want to learn in a day/week/month/these 3 months
量化三个月你所要学会的词汇，细化到天/周/月
Log how much you learned each day/week/month
记录每天/周/月你学了哪些词汇
Create a list of all the words so you can quiz yourself at the end of each day/week/month/these 3 months
罗列所有学习过的词汇，每天/周/月末定期给自己测试掌握情况
Grammar:
语法：
Try to read something new each day
每天尝试读一些新文章
It can be English on , in the news, posts on SNS
素材可以是，国际新闻或者SNS的帖子的英文内容
Do you understand all the grammar? If not, write it down.
语法你都懂了吗?如果没有，请记下来
Try to make a log of how much grammar you know and want to know.
尝试写下所有你已经知道的或你想要学习的语法知识
Use the grammar you know in future sentences/journals/while speaking.
将你知道的语法运用到以后的句子/日志/或口语中
Listening:
听力：
Try to listen to an entire show/movie/song without subtitles.
多去听完看完那些不带字幕的演出、电视剧和歌曲
How much did you know? After that put on the subtitles and figure out what you missed.
你知道多少?加上字母后，对比一下，看自己漏读了哪些信息
Set goals for how long/much you want to listen in a day/week/month/these 3 months.
量化三个月内所要听的内容以及时间，细化到天/周/月
Set a goal to watch/listen to a certain amount of shows/movies/songs.
量化你所要计划听的外文演出、电视剧和歌曲
Speaking:
口语
How well do you speak?
你能说多好?
Try to speak for at least 1 hour in your target language.
每天花一个小时讲英语
Can you already do that?
你已经能做到这个了吗?
Then increase the hour. Maybe 2 maybe 5. Maybe a whole day.
接着增加练习时间。可以是2小时或者5小时。甚至可以是一整天。
You can make a video of yourself speaking about a topic. At the end of the three months you can watch it again and judge yourself.
用英语论述一个话题，并用录音机录制下来。三个月后你再听听当时自己的录音，并分析不足。
