You don't have to work very hard to figure out what these different facial expressions mean.
你不必努力地去学习,去辨析不同面部表情的含义。
I'm afraid that you are sleeping, continue working hard.
我担心你睡着了,要继续努力学习哦!
It turns out that if you start learning a language, a second language is where most of the work's been done, within the first few years of life you're fine.
如果你在出生的头几年里开始学习一门语言,非常努力地学习了第二门语言,那么你一切正常
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