1) I am sorry to tell you that I have hadtrouble/difficulties with...
2) I am sorry to bother/interrupt you,but I have somethingimportant to tell you.
3) I would be grateful if you could...
4) I’m writing to turn to you for help.
5) I’m writing this letter to ask you todo me a favor.
6) Now I wonder whether I could ask you afavor.
7) I’m eager to get your timely help. Mytrouble is that...
8) I have been troubled by the problemthat...for a long time, so I’m writing to you hoping you can do me a favor.
...一直困扰我很长时间了,所以我写信希望你能帮助我。
9) What worries me most is that...,so I’mwriting the letter to ask for your help.
10) I’m writing to you to ask whether youcould do me a favor.
11) I have some difficulty in doing...whichbothers me a lot. So I have no choice but to turn to you for help.
我在...方面有困难,这很困扰我,所以我别无选择只能向您求助。
12) I wonder how to deal with the problemthat..., so I’m eager to get your timely help.