重点讲解：
1. be worth+n.
表示具有（某一行动）的价值；值得（做）；
eg. No one is worth a great deal of sacrifice.
没有谁值得付出重大的牺牲。
eg. This restaurant is well worth a visit.
这家饭店非常值得光顾一番。
2. brand new
崭新的；簇新的；
eg. Yesterday he went off to buy himself a brand new car.
昨天他去给自己买了一辆崭新的小汽车。
eg. The rising sun suggests a brand new day has come.
东升的太阳表明崭新的一天已经来临。
3. run off with sb.
私奔；
eg. The last thing I'm going to do is run off with some-body's husband.
我绝不可能和别人的丈夫私奔。
eg. We could run off together, but neither of us wants to live the rest of our lives abroad.
我们可以一起私奔，但是我俩都不想在国外度过余生。
4. as long as
只要；
eg. The interior minister said he would still support them, as long as they didn't break the rules.
内政部长说，只要他们不违规，他仍然会支持他们。
eg. I'll never forget that as long as I am living.
这事我至死也不会忘记。