Now I study 20 hours each week and sometimes I have an extra lesson.
现在我每周学20个小时的英语，有时候还会更多。
He is really nice to me and sometimes give me an extra lesson at spare time.
他对我很友善，有空的时候还给我开小灶上课。
Teachers say that they give individual help at the end of a lesson or after school, setting extra work if necessary.
教师们表示，他们会在课程结束或放学后给予个别学生另外的辅导，必要时还会安排额外的作业。
I need extra English lesson. Can you find me a good English teacher?
我需要额外的英语课。你能给我找一个好英语老师吗？
So I had to to do some extra work at home tonight to prepare for tomorrow's lesson.
因此，今天晚上我不得不加班为明天的课做一些准备。
Most important, he learned a valuable life lesson: that sometimes the things we want require extra effort, but the result is almost always sweeter than when the awards come on a silver platter.
最重要的是，他学到了人生中宝贵的一课，那就是，有时候我们向往的东西是需要付出额外的努力才能获得的，但结果比轻而易举地获奖更令人高兴。
Most important, he learned a valuable life lesson: that sometimes the things we want require extra effort, but the result is almost always sweeter than when the awards come on a silver platter.
最重要的是，他学到了人生中宝贵的一课，那就是，有时候我们向往的东西是需要付出额外的努力才能获得的，但结果比轻而易举地获奖更令人高兴。
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