amateurishness的翻译，读音

业余性 (yè yú xìng)

This is the most direct and common translation of "amateurishness" in Chinese. It directly captures the essence of the word, which refers to the qualities of someone who is not a professional and lacks experience or skill.

Other possible translations depending on the context could include:

• 不专业 (bù zhuān yè): This emphasizes the lack of professionalism.
• 业余水平 (yè yú shuǐ píng): This specifically refers to the level of skill being amateurish.
• 不成熟 (bù chéng shú): This emphasizes the lack of maturity and experience.

The most appropriate translation will depend on the specific context in which "amateurishness" is being used.