重点讲解：
1. be in love with sb.
对…倾心；爱慕；热恋；
eg. I've never really been in love with anyone.
我从来没有真正爱上过谁。
eg. It is said that Jenny is in love with Tom.
据说詹妮正在和汤姆恋爱。
2. stop doing
停止；停下做某事；
eg. Stop throwing those stones!
不要再扔那些石头了！
eg. I've been told to lose weight and stop smoking.
我被告知要减肥并戒烟。
3. out of
出于；由于；
eg. He took up office out of a sense of duty.
他就任公职是出于一种责任感。
eg. Some people have left out of embarrassment at what's happened to them.
一些人已经由于为发生在自己身上的事感到难堪而离开了。
4. night and day
日日夜夜；夜以继日；
eg. Chantal kept a fire burning night and day.
尚塔尔让一堆火日夜不熄地一直燃着。
eg. He would have a nurse in constant attendance day and night.
会有一位护士日夜不间断地陪护着他。
5. all the time
一直，始终；
eg. Conditions are changing all the time.
情况始终都在变化。
eg. I've kept on thinking about that all the time.
我一直惦记着这件事。