1、第一部分:说明投诉问题
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 …
2、第二部分:描述具体情况
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 .
3、第三部分:期待解决方案
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 (纠正、改善,代替improve) this situation soon .
I believe you will take my complaints seriously .
考驾照网(KAOJIAZHAO.COM)
I would ask you to give back my money , or I would file my complaint (投诉) to the authorities concerned (相关部门) .
To solve this problem / surmount this difficulty / improve the situation / crack this hard nut (解决问题) , I hope to draw the attention of the authorities concerned .