求翻译：今天的天气阴沉沉的。我不喜欢这个感觉。但一看见我们的外教老师，我的心情变好了。我们玩了一个游戏。它引出了今天的主题。是什么意思？

Weather overcast today. I don't like the feeling. But the sight of our foreign teacher, I was in a good mood. We played a game. It leads to today's topic.