1. affinity n.姻亲;密切关系
eg. She feels a strong affinity to him.
她感到他对她有很强的吸引力 。
2. diamond jubilee n.纪念或者庆典
eg. My parents are celebrating their golden jubilee.
我父母正在庆祝他们的金婚纪念 。
3. screwed a.<俚>喝醉了的<俚>俚>
eg. I often wonder whether you've got your head screwed on.
我常常不知道你是不是头脑清醒 。
4. start out出发,着手进行
eg. We start out with some really basic principles.
我们从一些最基本的原理出发 。