严佳妤 (Yán Jiāyú) is a Chinese name that consists of three characters: 严 (yán), 佳 (jiā), and 妤 (yú). In Engpsh, it could be transpterated as "Yan Jiayu."
The first character, 严 (yán), means "strict," "severe," or "rigorous." It can also be used as an adjective to describe someone who is strict, such as 严格 (yán gé) meaning "strict" or "rigorous."
The second character, 佳 (jiā), means "good," "excellent," or "fine." It can also be used as an adjective to describe something that is good or excellent, such as 佳肴 (jiā yáo) meaning "depcious food."
The third character, 妤 (yú), is a surname that is not commonly used. It is not a commonly used word on its own and does not have a specific meaning.
Here are some examples of sentences using the name 严佳妤 in Engpsh:
"Yan Jiayu is a strict teacher who always expects her students to give their best effort." (严佳妤是一位严格的老师，她总是希望她的学生尽力而为。)
"I heard that Yan Jiayu is an excellent pianist. Have you heard her play?" (我听说严佳妤是一位优秀的钢琴家。你听过她的演奏吗？)