重点讲解：
1. lighten up
使人感到精神振奋；放轻松；
eg. She tried to lighten up her speech with a few jokes.
她讲了几个笑话以使讲话轻松愉快些。
eg. I wish mark would lighten up a little. He takes things too seriously sometimes.
我希望马克能放松一点，他有时候看待事情太认真了。
2. come true
（梦想、愿望或预言）成真，成为现实；
eg. Many of his predictions are coming true.
他的很多预言正成为现实。
eg. Owning a place of their own is a dream come true for the couple.
这对夫妇拥有了自己的房子，终于梦想成真了。
3. be filled with
充满；装满；
eg. The baby was filled with alarm at the darkness and the noise.
在黑暗和嘈杂的声音中，婴儿饱受惊吓。
eg. Steiner lives in an apartment filled with art.
斯坦纳住在一个充满艺术氛围的公寓里。
4. cut down on
削减；减少使用；
eg. We're trying to cut down on the amount of paperwork involved.
我们正在努力降低有关此事的文书工作量。
eg. He has to cut down on the consumption of meat.
他不得不减少吃肉。
5. get-together
（非正式的）社交聚会，联欢会；
eg. With two entrepreneurs in the family, get-togethers at the Davich household can sometimes resemble business meetings.
由于家中有两位创业者，戴维奇一家人的家庭聚会有时候更像是商务会议。
eg. They held many get-togethers with their foreign friends.
他们和外国朋友举行了多次的联欢会。
6. except for
除了；除…之外；唯有；
eg. I sold everything I owned except for my car and my books.
我把我所有的东西都卖掉了，只剩下汽车和书。
eg. Except for the ticking of the clock, the room was very still.
屋里异常清静，只有钟摆滴答地响着。