1. None knew how hard it had been, except Ron and the friends I'd told I was HIV-positive.
    除了知道我是艾滋病毒阳性的罗恩和几个朋友，没有人知道这是多么的不容易。

2. He knew his arguments were subjective, based on intuition.
    他知道自己的论点是基于直觉的主观臆断。

3. Hart actually knew something of the old West.
    他确实了解西部早期拓荒生活的一些情况。

4. He knew it would not prove difficult in such a small village.
    他知道在这样一个小村庄里抓住小偷并不困难。

5. He was a shrewd and wealthy businessman, but most people in the town hardly knew anything about this side of his life.
    他是个精明能干、有钱的商人，但镇上大部分人对他生活中的这一个方面几乎一无所知。

6. Hans returned to his family home, but the house had been bombed and no one in the neighbourhood knew what had become of the inhabitants.
    汉斯重返故里，但他的家已被炸毁，左邻右舍谁也不知原住户的下落，

7. He became mortally ill a few months before we had planned to go and, when he knew that he was dying, he made me promise to go on my own.
    就在他计划回国的前几个月，他突然身患绝症。他知道自己已奄奄一息，于是他要我答应一定单独回故乡一趟。

8. He knew I collected match boxes and asked me whether my collection was growing.
    他知道我收集火柴盒，于是问我收藏的火柴盒是否在增加。

9. He knew now that gold did not bring happiness.
    现在他懂得了，金子并不能带来幸福。

10. He knew that the time had come for him to look for shelter.
    他心里明白，寻找栖身之处的时候到了。