投诉信写法如下：
I am writing to expressair dissatisfactiondisappointmentconcern regarding acmodation。I would prefer to move into a single room next semester，as I find the present sharing arrangement inconvenient。
我写信是为了表达对住宿的不满失望担忧。下个学期我宁愿搬进一间单人房，因为我觉得此刻的分享安排不方便。
I must explain that the reason for my dissatisfaction is my roommate‘s inconsiderate behavior。For one thing，his friends are constantly visiting him; for another，he regularly holds noisy parties。
我必须说明，我不满的原因是我的室友不顾他人的行为。一方面，他的朋友们不断地拜访他；另一方面，他经常举办喧闹的聚会。
To solve this problemsurmount this difficultyimprove this situationcrack this hard nut，I hope to draw the attention of the authorities concerned。I am sure you will aGREe that the only solution for me is to move into a room of my own。
为了解决这个问题克服这个困难改善这种情景破解这个难题，我期望引起有关当局的注意。我相信你会同意，我唯一的解决办法是搬到一个我自我的房间里。
Therefore，I would be grateful if you could find a single room for me，preferably not in the same building but as near to the college campus as possible。
所以，我将不胜感激，如果你能为我找到一个单一的房间，最好不要在同一栋建筑，但尽可能靠近大学学校。
投诉信，主要用于因某件事情未受到应有的待遇而投诉某人或某单位。因为在生活中不经常用到投诉信，所以大家可能都不是很清楚投诉信要怎么写，那么在这里我就和大家分享一下吧。
就下述文章写一篇投诉信：
你在某商店没了一双皮鞋，穿了不到一个月就发现坏了，去信要求这家商店退货赔款。
Dear Mr. Manager,
I?m writing to complain about the poor quality of shoes in your store. One month ago I bought a pair of shoes from your store. It wears well as I like.However, it was broken in less than a month. It disappointed me much.
I choose to complain to you because I?m sure you will be able to take back the shoes and pay an indemnity.
Yours faithfully
Tom
Dear Sir/Madam,
I am writing to you to complain about your hotel. I had a terrible stay in room 5012 of your hotel from the 24th to the 26th of August 2002, when I came to Guangzhou on business.
Firstly, the air-conditioning in my room could not be turned down or switched off. When I asked the reception staff to do something about it, they laughed and told me it was better than being hot. I asked your front of house manager and she told me she would send someone to my room immediately. No-one came. As a result, I was very cold every time I was in the room.
Secondly, I found the bathroom dirty and the hot water was always warm.
Thirdly, the noise at night was extremely loud and I found it difficult to sleep. I asked to change rooms, but was told it was impossible because the hotel was full.
I paid a lot for my stay in your hotel and expect much better service from such a well-known hotel. In future, I will not be staying at your hotel again and will inform my business associates of the terrible service.
Yours faithfully,
J. T. Hakala.
