重点讲解：
1. run out of
用完；耗尽；
eg. They have run out of ideas.
他们已经想不出任何办法了)+(+m^uI),=RLOVA。
eg. We're running out of time.
我们快没有时间了3#O_1E|K,@。
eg. By now the plane was running out of fuel.
现在，这架飞机的燃料快用完了OL-OKy,Vx1K。
2. set upon
突然攻击；袭击；
eg. We were set upon by about twelve youths and I was kicked unconscious.
我们遭到了大约 12 名青年的袭击，我被踢晕过去了;q)P.9h&*AgG&G~6Zq1q。
eg. Life is becoming a greater adventure and the only limits are those that you set upon yourselves.
生活正在变得更具有冒险意义，而仅有的限制是那些你自己强加于自己的3r)7+U=DHv。
3. be supposed to do
（按计划或期望）应当，应该做某事；本应该做某事；
eg. He produced a handwritten list of nine men he was supposed to kill.
他拿出了一份手写的名单，上面列有9个他应该要杀死的人Z)oNXI4V[s%PHAEG。
eg. The first debate was supposed to have been held on Tuesday.
第一场辩论本该在星期二就举行了LYa7oOM,;P2OiIRk。
4. How can you tell
你怎么知道？
eg. These kittens look exactly alike how can you tell which is which?
这些小猫看上去一模一样--你怎么能分出哪个是哪个?
eg. How can you tell which button to press?
你怎么能判断出该按哪一个按钮?
5. pitch dark
漆黑的；乌黑的；
eg. It was pitch-dark in the room and I couldn't see a thing.
房间里一片漆黑，我什么也看不见)-1JIi^[IHGC=*Z4vN@。
eg. It was pitch dark in the corridor and I had to feel my way along.
走廊里漆黑一团，我只得摸索着走过去b[bj=UYN@6YM~。