break through 冲破；突破；从云层后露出

　　break up (使)破裂；分解

　　①His house was broken into last week.

　　上个星期，他的房屋曾有人闯入。

　　②The sun broke_through at around lunch time.

　　大约午饭时分，太阳破云而出。

　　③Peter broke_down and was unable to work for a year.

　　彼得身体垮掉后一年没能上班。

　　2．(教材P18)As Victor Hugo once said，"Laughter is the sun that drives winter from the human face"， and up to now nobody has been able to do this better than Charlie Chaplin.

　　正如维克多·雨果曾经说的"笑声如阳光，驱走人们脸上的寒冬"。关于这一点，直到现在也没有人能比查理·卓别林做得更好。

　　up to now 直到现在

　　①The scientist is doing an experiment no one has tried up to now.

　　这位科学家正在做一项迄今为止没人做过的实验。

　　[名师点津]　(1)up to now 意为"直到现在"，常与现在完成时连用，可放于句首、句尾或句中。

　　(2)up to now 的同义词组有up to present, so far, till now 等。

　　up to还可表示下列含义：

　　1"多达；至多"；后面常接数字

　　2"从事于；忙于"；有时含有"密谋干坏事"之意

　　3"由......决定"，常用it作主语

　　4"胜任；适合"

　　5"是......的职责"

　　写出下列句中up to 的含义

　　②Up to 10,000 students have dropped off school this year.多达

　　③What is he up to now？忙于

　　④It's up to you to decide whether to go or not.

　　由......决定

⑤He is not up to his work.胜任；适合