重点讲解：
1. light up 点烟；开始吸烟；
He held a match while she lit up.
他拿了根火柴为她点烟GdOGkScov-2C-@。
2. a couple of 两个；几个；
Mason went home for a couple of hours 'kip.
梅森回家睡了几个小时Et-pSop)|h_]]_WWe。
3. look at 检查，察看；
You run the software, you look at the output, you make modifications.
运行该软件，查看输出结果并进行修正ZywM@=QoX;cOep,HtD。
4. compared with 与…相比；和…比起来；
Compared with our opponent, we have a slight advantage.
双方实力相较，我方略优于对方+P,Ri,e0GZ9nh!jl4B。