1．I am writing to you to complain about the washing machine bought from your store.
我写信给你抱怨从你店里买的洗衣机。
2．I would appreciate it if you can deal with this matter in time.
如果你能及时处理这个事情，我将会很感激。
3．If you can’t improve the present situation, I will take legal action.
如果你不能改善现在的情况，我将采取法律行动。
4．It was not until yesterday that I received them.
直到昨天我才收到它们。
写作模板
I am writing to you to complain about ________. I would appreciate it if you can deal with this matter in time.
The focus of the complaint is that ________. Firstly, it was not ________ until ________. Secondly, ________ was so ________ that ________. Thirdly, ________. (表达清楚投诉的内容)
I’d like to be informed of ________. If you can’t improve the present situation, I will take legal action. Thank you for your time and kind consideration.
Sincerely yours，
