A biography
一封───A letter;轺───I'm sorry
There was a letter on the mat.───地毯上有一封信。
There's a letter for you.───有你一封信。
I'll draft a letter for you.───我来为你草拟一封信。
She thrust a letter into my hand.
A good face is a letter of recommendation.
Between them they concocted a letter.
I have received a letter from my brother.
I wrote a letter regarding the future of reform.