好友

谢谢你把我加为好友。

xiè xie nǐ bǎ wǒ jiā wèi hǎo yǒu。

Thanks for adding me as a friend.

汤姆正给他的好友写信。

Tāng mǔ zhèng gěi tā de hǎo yǒu xiě xìn。

Tom is writing a letter to his best friend.