郭 + Given Name
郭 (Guō) is a common Chinese surname. Like all Chinese surnames, it precedes the given name and is used in formal address, introductions, and written records.
你好,我姓郭,叫郭明辉。
Nǐ hǎo, wǒ xìng Guō, jiào Guō Mínghuī.
Hello, my surname is Guo, my name is Guo Minghuī.
我们班有两个姓郭的同学。
Wǒmen bān yǒu liǎng gè xìng Guō de tóngxué.
There are two students with the surname Guo in our class.
郭老师是我们学校最受欢迎的数学老师。
Guō lǎoshī shì wǒmen xuéxiào zuì shòu huānyíng de shùxué lǎoshī.
Teacher Guo is the most popular math teacher at our school.