“专责性质”可以翻译为 "specialized responsibility nature" 或 "nature of dedicated responsibilities"。
具体使用哪个表达，可根据上下文灵活选择：
"specialized responsibility nature" 更简洁，强调责任的专门化属性。
"nature of dedicated responsibilities" 更具体，突出“专责”（dedicated responsibilities）的内涵。
例句：The position requires a clear understanding of the specialized responsibility nature of the role.
（该职位需要明确理解角色的专责性质。）
We need to clarify the nature of dedicated responsibilities for this project.
（我们需要明确这个项目的专责性质。）