672. To know everything is to know nothing. 样样通，样样松。
673. To tell the truth, I don‘t like disco. 说实话，我不喜欢迪斯科。
674. True and False have opposite meanings. 真与假含义完全相反。
675. What‘s the point of going to college? 上大学有何用?
676. Where can we make the insurance claim? 我们可以在哪里提出保险赔偿?这个无法与那个比较。
677. Why don‘t I pick you up at your house? 为什么不让我去接你呢?
678. Why don‘t you attend an aerobic class? 你为什么不去参加一个有氧健身班呢?
679. You can kill two birds with one stone.一举两得。
680. You can‘t go in no matter who you are. 不管你是谁，都不能进去。
681. You should learn these words by heart. 你应该把这些词背熟。
682. Could I have those two tickets, please?这两张票给我行不行?
683. He has to take care of his sick mother. 他得照顾他生病的母亲。
684. He hired a workman to repair the fence.他雇用了一个工人修理围墙。
685. I can‘t make this machine run properly.我无法使这部机器正常运转。
686. I don‘t know if I‘ll have the patience.我不知道我有没有耐心。
687. I don‘t like what you are saying.我不喜欢你说的话。
688. I fell in love with her at first sight.我第一眼见到她就爱上了她。
689. I have just heard from my sister, Mary.我刚收到我妹妹玛丽的一封信。
690. If you would only try, you could do it.只要你肯尝试，你一定能做这件事。
