在接下來的日子里，我將不會給你寫信了。如果你需要表達類似的意思，可以使用以下幾種翻譯方式：1. In the following days, I won't write to you anymore.2. From now on, I will not be writing to you.3. In the coming days, I will not be sending you any letters.4. In the future, I will not be keeping in touch through letters.5. Starting from today, I will not be writing to you.希望這些表達方式能夠幫助到你。另外，如果你想要表達在未來的某個時間點之后不再寫信，也可以使用這樣的句子：1. After this point in time, I will no longer write to you.2. From this point forward, I will not be writing to you.3. Once this period ends, I will stop writing to you.希望這些表達能夠滿足你的需求。