我们很累可是我们仍然感到很快乐，因为我们都给了自我的能量，让学校变得越来越好。
All of us felt very tired but we still felt very happy, because we all gave our own energy to make the school become better and better.
我可以让自己很快乐很快乐，可是却找不到快乐的源头，只是傻笑。
I can make him very happy very happy, but couldn't find the source of happiness, just giggle.
他平时很快乐、很开朗，可是这件事以后他就沉默寡言了，总是一脸的不开心。
He is usually cheerful and outgoing, but he has been really quiet and looks sad.
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