第一部分：說(shuō)明投訴問(wèn)題
I must complain about…
I am not satisfied with…
I feel something should be done about…
I am writing to inform(告知，代替tell)you that I find…unsatisfactory…
I am writing to express/ air dissatisfaction/ disappointment/ concern regarding …
第二部分：描述具體情況
The noise disturbs my sleep so that I can't concentrate during the work time, and as a result, I have made several mistakes these days.
For me this environment is very difficult to make studies and I need a quiet room.
第三部分：期待解決方案
I expect to hear from you soon.
Please give this matter your immediate attention.
I would be very grateful (感激，代替thanks)if you could look into the matter as soon as possible. And I am looking forward to an early reply.
It is high time you took some measures to solve…
I hope you will take steps to rectify(糾正、改善，代替improve) this situation soon.
I believe you will take my complaints seriously. I would ask you to give back my money, or I would file my complaint(投訴) to the authorities concerned(相關(guān)部門(mén)).
To solve this problem/ surmount this difficulty/ improve the situation/ crack this hard nut(解決問(wèn)題), I hope to draw the attention of the authorities concerned.
