He would start writing to his family and would screw the letter up in frustration.

他一次次开始给家里写信，又一次次懊恼地把信揉成团。

《柯林斯英汉双解大词典》

When you start your letter, say why you're writing it in the first place.

首先要说明自己为什么要写这封信。

youdao

When you start your letter, say why you're writing it in the first place.

首先要说明自己为什么要写这封信。

youdao