回信

The Chinese word 回信 (huíxìn) for "reply letter" is composed of two characters: 回 (huí) and 信 (xìn). The character 回 means "return" or "go back", while the character 信 means "letter" or "message". Together, they form the compound word 回信, which literally means "return letter" or "reply letter".The word 回信 is commonly used in Chinese to refer to a letter or message that is sent in response to a previous letter or message. It can also be used to refer to a letter or message that is sent back to the sender of a previous letter or message. For example, if you receive a letter from a friend and you write a letter back to them, your letter would be considered a 回信.The word 回信 is also sometimes used in Chinese to refer to a letter or message that is sent to someone who is not the original sender of a previous letter or message. For example, if you receive a letter from a friend and you forward that letter to someone else, the letter that you forward would be considered a 回信.The word 回信 is a common and useful word in Chinese. It is important to understand the meaning and usage of this word in order to communicate effectively in Chinese.