重点讲解：
1. wake up 醒；醒来；
例句：I wake up with a very thick head this morning.
我早晨醒来觉得头昏昏沉沉的;UU4^S;1o+]!f。
2. by oneself 独自；单独；
例句：After ten year, I at last decided to sign off and go into business by myself.
十年后，我终于决定退出该公司，自己去做生意HhucdwA,;HOFRONn]Te。
3. in advance 提前；事先；
例句：The bank robbery is carefully plan in advance.
抢劫银行是事先精心策划的-QCl3Syr5#E006don。
4. for example 例如；比如；
例句：For example, air is invisible and of no smell.
例如：空气是无色无味的kmCyEtz_N+8Yd@)。