assiduous [əˈsɪdjuəs]

以下由轻松背单词网站提供

adj.刻苦的，勤奋的

showing hard work , care and attention to detail

His spirit of assiduous study is worthy of emulation.他刻苦钻研的精神，值得效法。
He is assiduous over his visitor.他对来访者很殷勤。