重點講解：
1. mean to do sth.
計劃；打算；準備做某事；
eg. Summer is the perfect time to catch up on the new books you meant to read.
夏天是把想讀卻沒讀的新書惡補一下的最佳時機。
eg. You know very well what I meant to say.
你非常清楚我想說什么。
2. care about
關(guān)心；在乎；在意；
eg. I don't care about money.
我不看重錢。
eg. He doesn't care about his clothes.
他不考究衣著。
3. spend sometime (in) doing sth.
花時間做某事；
eg. My kids spend hours chatting on the phone to their friends.
我的幾個孩子在電話上和朋友聊天一聊就是幾個小時。
eg. I spend most of my working day sitting at a desk.
我一天之中大部分工作時間都坐在辦公桌旁。
4. trade place with sb.
交換，對換（位置或處境）；
eg. Mike asked George to trade places with him so he could ride with Tod.
邁克要求喬治和他交換位置，讓他和托德同坐一輛車。
eg. If you could trade places with anyone in the world for one day, who would it be?
如果你可以和這個世界上任何一個人交換身分一天，你會想當誰？