1. As is so often pointed out, knowledge is a two-edged weapon which can be used equally for good or evil.
    正像人们常常指出的，知识是一把双刃刀，可以用于造福，也可以用来为害。

2. As a shipbuilder, Cockerell was trying to find a solution to the problem of the wave resistance which wastes a good deal of a surface ship´s power and limits its speed.
    作为一个船舶技师，科克雷尔在寻找解决波浪阻力的方法，因为波浪阻力浪费掉了船在水面行驶的大量动力，从而限制了船的速度。

3. ´Thirteen is not as good as one, but it´s better than nothing.
    "13下是不如1下好，但总比1下也不敲强。

4. An all-night party on New Year´s Eve provided me with a good excuse for not carrying on either of these new resolutions on the first day of the year,
    新年除夕举办的一次通宵晚会，使我理直气壮地在新年头一天免去了这两项任务。

5. An even harder situation is to be on the platform in good time for a train and still to see it go off without you.
    更难堪的情况是虽然及时赶到站台上，却眼睁睁地看着那趟火车启动，把你抛下。

6. Apparently, there is a good deal of truth in this idea.
    显然，这种说法里面包含着许多真实性。

7. As soon as he had got into the car, I said good morning to him in French and he replied in the same language.
    他一上车，我就用法语向他问早上好，他也同样用法语回答我。

8. ´Did you have a good meal?´ he asked.
    "您吃得好吗？"他问。

9. ´Good heavens!´ exclaimed his wife. ´And where were you at the time?´
    "天啊！"他的夫人惊叫，"那你当时在什么地方？"

10. And she is good at other subjects, too.
    其它学科也不错。