A：Hey, let's go out and grab a couple of beers tonight!嘿，今晚出去喝两杯啤酒吧。
B：Sorry, I can't. I have to work late at the laboratory.抱歉，我去不了。我得在实验室工作到很晚。
A：Nigel, you sure lead a dog's life, what's up with that?奈杰尔，你活得可真辛苦，怎么搞的?
B：My boss wants me to finish this project tonight.老板要求我今晚就完成这个项目。