重点讲解：

1. be in love
陷入爱河；恋爱；
eg. To all appearances, they are very much in love.
显然他们正处在热恋之中。
eg. The comic skIt'sent up the foolishness of young men in love.
那幅画把沉溺于热恋中的青年男子的痴态勾勒得滑稽可笑。
2. flesh and blood
血肉之躯；
eg. I'm only flesh and blood, like anyone else.
我只是个凡人，和其他人一样。
eg. It was more than flesh and blood could bear.
这是血肉之躯无法忍受的。
3. come round
拜访；探访；
eg. Beryl came round this morning to apologize.
贝丽尔今天上午来登门道歉了。
eg. Quite a lot of people came round to the house.
宾客盈门。
4. turn on
打开（设备）；接通（…的供应）；
eg. I want to turn on the television.
我想开电视。
eg. She asked them why they hadn't turned the lights on.
她问他们为什么不开灯。
5. come up
发生；到来；
eg. I expect something to come up soon.
我预料很快就要出事的。
eg. The problem may never come up.
这个问题可能永远不会发生。