请各位大侠帮忙看看这几个面试问题该怎么回答，谢谢。

周一面试，有几个问题回答的不是很满意，下周还有面试，怕问道同样的问题，请各位大侠帮忙参考一下该怎么回答，谢谢。
1）How can you introduce our products to multi-culture clients, and how can you make them understand?
2) How can you communicate with rude clients?
3) You have to draft an application within limited time, you have no idea how to fill it, and no one can help you, what should you do?
4) One of your colleague has a bad relationship with you, how can you cooperate with him?
请大人们帮帮忙吧。谢谢。