重点讲解：
1. even if/though
即使；尽管；纵然；
eg. Friendship means understanding, not agreement. It means forgiveness, not forgetting.It means the memories last, even if contact is lost.
友情是理解，不是妥协；是原谅，不是遗忘。即使不联系，感情依然在。
eg. We mustn't let up, even though we're winning.
我们即使快赢了也决不可松劲。
2. next to
紧靠…旁边；在…近旁；贴近；
eg. The puppy, whom she had named Bolt, was standing loyally right next to her, now fully grown.
她给那条小狗起名叫波特，这时小狗已经长大，正忠诚地守在她身边。
eg. Our new house sat next to a stream.
我们的新房子坐落在一条小溪旁。
3. start on
开始做（需要做的事）；
eg. No need for you to start on the washing-up yet.
你没有必要现在就开始洗餐具。
eg. He has not finished his drama, in fact, he has not started on it.
他还没有完成自己的剧本，实际上，他还没开始动手写。