你在上课前有预习的吗？
这会防止你在上课的头几天里迷路，并使你熟悉从一个地方到另一个地方需要多长时间。
This will prevent you from getting lost in the first few days of classes, and familiarize you with how long it takes to get from place to place.
请早几分钟到，你在上课前要填几份表格。
Be here a few minutes early. You need to complete some forms before the class.
你在上课前和几个朋友闲聊。
中国人口总数是多少？中译英：你在上课吗？
你在上课的时候可以不可以玩手机和发短信?。
Dion:But is when during school time when that you are studying can you sms your friend?
如果你在上课的时候大发议论，你会有很多麻烦。
If you mouth off during class you will be in a lot of trouble.
我邀请你在上课的时候提问，如果你愿意的话，课后也行。
I invite you to ask questions in class or, if you prefer, after class as well.
男孩子，如果你在上课，在别人家里或者进餐时，你该脱下帽子。
If you are wearing a hat, you should take it off when you are in class, in someone's home, or eating dinner.
如果你在上课或解释一个观念，尽可能多地收集与你讲课有关的事实。
If you are giving a lecture or explaining an idea, gather as many facts as you can on your subject.
我的学生可以期待有趣的课程，你可以在课堂中尽情放松，我不会让你在上课时感到压力，我们可以很自在的交谈。
My students can expect a fun time or maybe a time where they can unwind and relax. I do not want them to feel pressured or stressed when we talk.
当你正在上课的时候，你有没有在笔记本的空白处画过画？
When you're sitting in class, have you ever drawn pictures in the margins of your notebooks?
如果你不得不在上课时离开，那就悄悄地走。
不要把你所有的时间花在上课上。
在上课的时候提问，不会对你自己带来任何伤害，当然，如果别人的提问你知道答案的话，也要积极的回答。
Ask questions during class, without making a pest of yourself, of course, and answer your share of the questions posed by others.
请确保在上课以前告诉你的导师你是否受过伤，或者是有其他健康上的问题。
PLEASE, make sure you tell the instructor BEFORE class if you are injured, have past injuries that need to be considered, or have any other health concerns.
你的代数老师穿着1985年的衣服，老是喊错你的名字.英语老师总喜欢在上课前进行随堂小测.很难去想这些阅卷老师的是真实存在的。
Your algebra teacher wears clothes from 1985 and always mispronounces your name. Your English teacher loves to start classes with pop quizzes.
苏：或许你应该在上课时帮他重新写这首歌……
Sue： Maybe you should help him rewrite this song during class……
如果你是一个在公立高中上学的16岁学生——那你肯定不止一次的经历这样的情景，老师在上课的第一天就告诉你，你必须要尊重他。
Speaking as a sixteen year old who attends a public high school - you always get at least one teacher who walks in the first day and demands respect.
在上课时你应该仔细听老师讲课。
渊源，你不是在上课嘛？
好好规划时间，以免你无法及时在上课前冲洗好幻灯片并携带至课堂。
Plan your time so that you have a roll of slide film developed in time for class.
安娜：你还在上课吗？
你安静的离开。其他班仍然在上课。
你给他买了个喇叭？他正在上课吗？
丹尼尔，你在这里做什么，你不是应该在上课吗？
Daniel, what are you doing here? Aren't you supposed to be at school now?
丹尼尔，你在这里做什么，你不是应该在上课吗？
Daniel, what are you doing here? Aren't you supposed to be at school now?
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