1)Walking all over us. "walk all over ""对sb不如何"eg: Alex' s girlfriend walks all over him, but he doesn' t care because he has been blinded by love! Alex的女友对他真不怎么样,可他不在乎,由于他已经被爱情蒙住了双眼.You boss is making you work too muck. You shouldn' t let him walk all over you. 你老板给你的工作太多了,你不该让他这么摆布你.2) It' s a dog-eat-dog world out there. "dog-eat-dog ""人吃人的社会"eg: It can feel like a dog-eat-dog world in big cities because everyone is so busy with their own lives. 在大城市感觉象人吃人的社会,由于每一个人都只忙于我们的生活.A: I told my friend about the job I am applying for and now she is applying for it too! 我告诉了我的朋友关于我申请的那个工作,目前她居然也去申请了.B: It' s a dog-eat-dog world out there. 真是个人吃人的社会.3) Don' t be a stranger. "don' t be a stranger ""维持联系,别客气"Yeah, I' ll see you around.eg: A: Thanks for dinnr. I should go home now. 谢谢你的晚餐,我该走了.B: thanks for coming over. Let' s get together again soon. Don' t be a stranger. 谢谢你过来玩,大家非常快会再聚的,维持联络.Call me after you move into your new house. Don' t be a stranger. 搬家后给我电话,维持联系.