I wonder if you could help me.
我可以请你帮个忙吗？
I need to ask a favor.
我可以请你帮个忙吗？
I hate to complain,but...
我实在很不愿意抱怨,但……
What can I do for you?
有什么我可以帮忙的？
I hate to say this,but...
我实在很不愿意这么说……但
I'm not happy with my room.
我不满意我的房间。
Are you happy with your new car?
你满意你的新车吗？
I'll see what I can do.
我会帮你处理这个问题。
I'll get right on it.
我会马上处理。
I'll look into it right away.
我会马上处理。