重点讲解：
1. at that stage
意思同at that time，表示当时；在这一阶段；
eg. The rest of the proposals had not been included at that stage.
其余的提案就不在此阶段予以考虑。
eg. It is really a bitter pill to swallow at that stage.
在当时，那真是一件不得不忍受的苦事。
2. leave alone
不管；不理；不干涉；让单独呆着
eg. I cannot bear to leave him alone.
我不忍心让他独自留下。
eg. When the boss gets mad, leave him alone.
当老板生气时，不要理他。
3. get rid of
扔掉；丢弃；摆脱；甩掉；赶走
eg. The owner needs to get rid of the car for financial reasons.
因为经济原因，车主必须把汽车处理掉。
eg. He believed that his manager wanted to get rid of him for personal reasons.
他认为经理是出于个人原因想开除他。
