advanced class 高级班   the beginner's class 初级班instructor  教练   aerobics  健身操nonstop  不间断的    lift weights 举重表达容易的说法：1、NO problem2、It's a snap.3.No sweat.4.It's going to be a piece of cake.表示疑问：You think so？-Yeah，without doubt。When is the next class?to complete some forms.It's only takes eight minutes by bicycle to the aerobics class.I'm on my way over. 我这就过去。It's all set.  全都安排好了。    

学习英语的三个层次：English in text. English in thought. English in action.学习口语把它当作一个交际工具来学，而不要当作一门知识来学。 How to define a thing in simple plain English?  英美人定义事物时先说， The nature of the   thing,or the class it belongs to in the world.然后再补足其特征，功能等，与汉语相反。

Blood pressurecomplete physical  全身检查a good subjectadvertisingI‘m in perfect health.=The  health isin wonderful condition.Let’s get in our lines.让我们站好队。We're going to take it slow first.stretch up.We're going to go left first.Now,switch.Hold to the right.sunrises,stretch it out.Flat back ,bring it up.We're going to warm  down with a tango.表示健康的几种说法：I am in excellent health.I am in wonderful condition.You are in great condition. Don't you think····？询问意见Not even a little? 一点也不？what do you do for a living?what do you photograph?Did you like listening to them?Did you hear me?Did you ever think of photographing an aerobics class?Don't you love it.Don't you think it'd be a good subject?what  cn(can) I say? waddaya=what do youDidja=Did youDontcha=Don't you.

How to explain things in simple plain english.   把简单苍白的东西变得丰满立体。掌握一个词的同义词，近义词，反义词。