HSK 3 · verb · noun
信
letter; to believe; message
我给朋友写了一封信。
Wǒ gěi péngyou xiěle yì fēng xìn.
I wrote a letter to my friend.
他收到了三封信。
Tā shōudàole sān fēng xìn.
He received three letters.
我收到了妈妈的信。
Wǒ shōudàole māma de xìn.
I received a letter from Mom.
我相信他能学会汉语。
Wǒ xiāngxìn tā néng xuéhuì Hànyǔ.
I believe he can learn Chinese.